Home / 48,051.52-66,375.12-38,655.52

Finding the Fourth Proportional to 48,051.52, 66,375.12 and 38,655.52

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Solution

The fourth proportional to 48,051.52, 66,375.12 and 38,655.52 is: 53,396.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,051.52 : 66,375.12 = 38,655.52 : x
  2. Step 2: Convert to fraction form
    48,051.52/66,375.12 = 38,655.52/x
  3. Step 3: Cross multiply
    48,051.52x = 66,375.12 × 38,655.52
  4. Step 4: Simplify right side
    48,051.52x = 2,565,764,778.66
  5. Step 5: Solve for x
    x = 2,565,764,778.66/48,051.52
  6. Step 6: Final answer
    x = 53,396.12

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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.