Home / 63,538.62-87,700.50-39,651.18

Finding the Fourth Proportional to 63,538.62, 87,700.50 and 39,651.18

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Solution

The fourth proportional to 63,538.62, 87,700.50 and 39,651.18 is: 54,729.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,538.62 : 87,700.50 = 39,651.18 : x
  2. Step 2: Convert to fraction form
    63,538.62/87,700.50 = 39,651.18/x
  3. Step 3: Cross multiply
    63,538.62x = 87,700.50 × 39,651.18
  4. Step 4: Simplify right side
    63,538.62x = 3,477,428,311.59
  5. Step 5: Solve for x
    x = 3,477,428,311.59/63,538.62
  6. Step 6: Final answer
    x = 54,729.36

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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.