Home / 31,338.45-43,246.82-16,998.23

Finding the Fourth Proportional to 31,338.45, 43,246.82 and 16,998.23

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Solution

The fourth proportional to 31,338.45, 43,246.82 and 16,998.23 is: 23,457.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,338.45 : 43,246.82 = 16,998.23 : x
  2. Step 2: Convert to fraction form
    31,338.45/43,246.82 = 16,998.23/x
  3. Step 3: Cross multiply
    31,338.45x = 43,246.82 × 16,998.23
  4. Step 4: Simplify right side
    31,338.45x = 735,119,393.13
  5. Step 5: Solve for x
    x = 735,119,393.13/31,338.45
  6. Step 6: Final answer
    x = 23,457.43

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Half scale
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Double scale
Find fourth proportional to 31,339.45, 43,248.20 and 16,999.23
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.