Home / 39,132.06-58,695.93-28,612.86

Finding the Fourth Proportional to 39,132.06, 58,695.93 and 28,612.86

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Solution

The fourth proportional to 39,132.06, 58,695.93 and 28,612.86 is: 42,917.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,132.06 : 58,695.93 = 28,612.86 : x
  2. Step 2: Convert to fraction form
    39,132.06/58,695.93 = 28,612.86/x
  3. Step 3: Cross multiply
    39,132.06x = 58,695.93 × 28,612.86
  4. Step 4: Simplify right side
    39,132.06x = 1,679,458,427.66
  5. Step 5: Solve for x
    x = 1,679,458,427.66/39,132.06
  6. Step 6: Final answer
    x = 42,917.71

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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.