Home / 31,615.52-43,829.18-29,930.13

Finding the Fourth Proportional to 31,615.52, 43,829.18 and 29,930.13

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Solution

The fourth proportional to 31,615.52, 43,829.18 and 29,930.13 is: 41,492.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,615.52 : 43,829.18 = 29,930.13 : x
  2. Step 2: Convert to fraction form
    31,615.52/43,829.18 = 29,930.13/x
  3. Step 3: Cross multiply
    31,615.52x = 43,829.18 × 29,930.13
  4. Step 4: Simplify right side
    31,615.52x = 1,311,813,017.78
  5. Step 5: Solve for x
    x = 1,311,813,017.78/31,615.52
  6. Step 6: Final answer
    x = 41,492.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.