Home / 42,170.76-58,239.23-36,478.19

Finding the Fourth Proportional to 42,170.76, 58,239.23 and 36,478.19

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Solution

The fourth proportional to 42,170.76, 58,239.23 and 36,478.19 is: 50,377.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,170.76 : 58,239.23 = 36,478.19 : x
  2. Step 2: Convert to fraction form
    42,170.76/58,239.23 = 36,478.19/x
  3. Step 3: Cross multiply
    42,170.76x = 58,239.23 × 36,478.19
  4. Step 4: Simplify right side
    42,170.76x = 2,124,461,223.81
  5. Step 5: Solve for x
    x = 2,124,461,223.81/42,170.76
  6. Step 6: Final answer
    x = 50,377.59

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Half scale
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Double scale
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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.