Home / 48,642.30-67,142.97-28,505.61

Finding the Fourth Proportional to 48,642.30, 67,142.97 and 28,505.61

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Solution

The fourth proportional to 48,642.30, 67,142.97 and 28,505.61 is: 39,347.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,642.30 : 67,142.97 = 28,505.61 : x
  2. Step 2: Convert to fraction form
    48,642.30/67,142.97 = 28,505.61/x
  3. Step 3: Cross multiply
    48,642.30x = 67,142.97 × 28,505.61
  4. Step 4: Simplify right side
    48,642.30x = 1,913,951,317.06
  5. Step 5: Solve for x
    x = 1,913,951,317.06/48,642.30
  6. Step 6: Final answer
    x = 39,347.47

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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.