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Finding the Fourth Proportional to 55,793.60, 83,776.80 and 32,465.60

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Solution

The fourth proportional to 55,793.60, 83,776.80 and 32,465.60 is: 48,748.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,793.60 : 83,776.80 = 32,465.60 : x
  2. Step 2: Convert to fraction form
    55,793.60/83,776.80 = 32,465.60/x
  3. Step 3: Cross multiply
    55,793.60x = 83,776.80 × 32,465.60
  4. Step 4: Simplify right side
    55,793.60x = 2,719,864,078.08
  5. Step 5: Solve for x
    x = 2,719,864,078.08/55,793.60
  6. Step 6: Final answer
    x = 48,748.68

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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.