Home / 31,329.92-43,233.60-17,902.40

Finding the Fourth Proportional to 31,329.92, 43,233.60 and 17,902.40

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Solution

The fourth proportional to 31,329.92, 43,233.60 and 17,902.40 is: 24,704.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,329.92 : 43,233.60 = 17,902.40 : x
  2. Step 2: Convert to fraction form
    31,329.92/43,233.60 = 17,902.40/x
  3. Step 3: Cross multiply
    31,329.92x = 43,233.60 × 17,902.40
  4. Step 4: Simplify right side
    31,329.92x = 773,985,200.64
  5. Step 5: Solve for x
    x = 773,985,200.64/31,329.92
  6. Step 6: Final answer
    x = 24,704.35

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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.