Home / 63,550.20-87,686.64-38,399.76

Finding the Fourth Proportional to 63,550.20, 87,686.64 and 38,399.76

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Solution

The fourth proportional to 63,550.20, 87,686.64 and 38,399.76 is: 52,984.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,550.20 : 87,686.64 = 38,399.76 : x
  2. Step 2: Convert to fraction form
    63,550.20/87,686.64 = 38,399.76/x
  3. Step 3: Cross multiply
    63,550.20x = 87,686.64 × 38,399.76
  4. Step 4: Simplify right side
    63,550.20x = 3,367,145,931.21
  5. Step 5: Solve for x
    x = 3,367,145,931.21/63,550.20
  6. Step 6: Final answer
    x = 52,984.03

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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.