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Finding the Fourth Proportional to 39,577.92, 54,601.92 and 22,807.68

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Solution

The fourth proportional to 39,577.92, 54,601.92 and 22,807.68 is: 31,465.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,577.92 : 54,601.92 = 22,807.68 : x
  2. Step 2: Convert to fraction form
    39,577.92/54,601.92 = 22,807.68/x
  3. Step 3: Cross multiply
    39,577.92x = 54,601.92 × 22,807.68
  4. Step 4: Simplify right side
    39,577.92x = 1,245,343,118.75
  5. Step 5: Solve for x
    x = 1,245,343,118.75/39,577.92
  6. Step 6: Final answer
    x = 31,465.60

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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.