Home / 31,915.69-44,043.68-18,487.71

Finding the Fourth Proportional to 31,915.69, 44,043.68 and 18,487.71

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Solution

The fourth proportional to 31,915.69, 44,043.68 and 18,487.71 is: 25,513.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,915.69 : 44,043.68 = 18,487.71 : x
  2. Step 2: Convert to fraction form
    31,915.69/44,043.68 = 18,487.71/x
  3. Step 3: Cross multiply
    31,915.69x = 44,043.68 × 18,487.71
  4. Step 4: Simplify right side
    31,915.69x = 814,266,829.39
  5. Step 5: Solve for x
    x = 814,266,829.39/31,915.69
  6. Step 6: Final answer
    x = 25,513.06

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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.