Home / 42,150.91-63,171.86-31,537.66

Finding the Fourth Proportional to 42,150.91, 63,171.86 and 31,537.66

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Solution

The fourth proportional to 42,150.91, 63,171.86 and 31,537.66 is: 47,265.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,150.91 : 63,171.86 = 31,537.66 : x
  2. Step 2: Convert to fraction form
    42,150.91/63,171.86 = 31,537.66/x
  3. Step 3: Cross multiply
    42,150.91x = 63,171.86 × 31,537.66
  4. Step 4: Simplify right side
    42,150.91x = 1,992,292,326.63
  5. Step 5: Solve for x
    x = 1,992,292,326.63/42,150.91
  6. Step 6: Final answer
    x = 47,265.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.