Home / 56,129.92-84,177.60-28,424.32

Finding the Fourth Proportional to 56,129.92, 84,177.60 and 28,424.32

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Solution

The fourth proportional to 56,129.92, 84,177.60 and 28,424.32 is: 42,627.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,129.92 : 84,177.60 = 28,424.32 : x
  2. Step 2: Convert to fraction form
    56,129.92/84,177.60 = 28,424.32/x
  3. Step 3: Cross multiply
    56,129.92x = 84,177.60 × 28,424.32
  4. Step 4: Simplify right side
    56,129.92x = 2,392,691,039.23
  5. Step 5: Solve for x
    x = 2,392,691,039.23/56,129.92
  6. Step 6: Final answer
    x = 42,627.73

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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.