Home / 58,067.28-87,115.50-28,499.04

Finding the Fourth Proportional to 58,067.28, 87,115.50 and 28,499.04

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Solution

The fourth proportional to 58,067.28, 87,115.50 and 28,499.04 is: 42,755.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,067.28 : 87,115.50 = 28,499.04 : x
  2. Step 2: Convert to fraction form
    58,067.28/87,115.50 = 28,499.04/x
  3. Step 3: Cross multiply
    58,067.28x = 87,115.50 × 28,499.04
  4. Step 4: Simplify right side
    58,067.28x = 2,482,708,119.12
  5. Step 5: Solve for x
    x = 2,482,708,119.12/58,067.28
  6. Step 6: Final answer
    x = 42,755.72

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1.5x scale

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.