Home / 31,108.28-42,930.92-17,500.58

Finding the Fourth Proportional to 31,108.28, 42,930.92 and 17,500.58

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Solution

The fourth proportional to 31,108.28, 42,930.92 and 17,500.58 is: 24,151.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,108.28 : 42,930.92 = 17,500.58 : x
  2. Step 2: Convert to fraction form
    31,108.28/42,930.92 = 17,500.58/x
  3. Step 3: Cross multiply
    31,108.28x = 42,930.92 × 17,500.58
  4. Step 4: Simplify right side
    31,108.28x = 751,316,231.51
  5. Step 5: Solve for x
    x = 751,316,231.51/31,108.28
  6. Step 6: Final answer
    x = 24,151.65

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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.