Home / 58,853.76-81,219.78-31,998.12

Finding the Fourth Proportional to 58,853.76, 81,219.78 and 31,998.12

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Solution

The fourth proportional to 58,853.76, 81,219.78 and 31,998.12 is: 44,158.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,853.76 : 81,219.78 = 31,998.12 : x
  2. Step 2: Convert to fraction form
    58,853.76/81,219.78 = 31,998.12/x
  3. Step 3: Cross multiply
    58,853.76x = 81,219.78 × 31,998.12
  4. Step 4: Simplify right side
    58,853.76x = 2,598,880,266.81
  5. Step 5: Solve for x
    x = 2,598,880,266.81/58,853.76
  6. Step 6: Final answer
    x = 44,158.27

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Half scale
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Double scale
Find fourth proportional to 58,854.76, 81,221.16 and 31,999.12
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.