Home / 31,129.92-42,957.54-17,704.44

Finding the Fourth Proportional to 31,129.92, 42,957.54 and 17,704.44

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Solution

The fourth proportional to 31,129.92, 42,957.54 and 17,704.44 is: 24,431.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,129.92 : 42,957.54 = 17,704.44 : x
  2. Step 2: Convert to fraction form
    31,129.92/42,957.54 = 17,704.44/x
  3. Step 3: Cross multiply
    31,129.92x = 42,957.54 × 17,704.44
  4. Step 4: Simplify right side
    31,129.92x = 760,539,189.48
  5. Step 5: Solve for x
    x = 760,539,189.48/31,129.92
  6. Step 6: Final answer
    x = 24,431.13

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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.