Home / 55,101.60-82,652.40-36,439.20

Finding the Fourth Proportional to 55,101.60, 82,652.40 and 36,439.20

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Solution

The fourth proportional to 55,101.60, 82,652.40 and 36,439.20 is: 54,658.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,101.60 : 82,652.40 = 36,439.20 : x
  2. Step 2: Convert to fraction form
    55,101.60/82,652.40 = 36,439.20/x
  3. Step 3: Cross multiply
    55,101.60x = 82,652.40 × 36,439.20
  4. Step 4: Simplify right side
    55,101.60x = 3,011,787,334.08
  5. Step 5: Solve for x
    x = 3,011,787,334.08/55,101.60
  6. Step 6: Final answer
    x = 54,658.80

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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.