Home / 31,513.14-43,489.85-18,084.29

Finding the Fourth Proportional to 31,513.14, 43,489.85 and 18,084.29

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Solution

The fourth proportional to 31,513.14, 43,489.85 and 18,084.29 is: 24,957.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,513.14 : 43,489.85 = 18,084.29 : x
  2. Step 2: Convert to fraction form
    31,513.14/43,489.85 = 18,084.29/x
  3. Step 3: Cross multiply
    31,513.14x = 43,489.85 × 18,084.29
  4. Step 4: Simplify right side
    31,513.14x = 786,482,751.59
  5. Step 5: Solve for x
    x = 786,482,751.59/31,513.14
  6. Step 6: Final answer
    x = 24,957.30

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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.