Home / 47,503.08-71,134.08-28,515.90

Finding the Fourth Proportional to 47,503.08, 71,134.08 and 28,515.90

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Solution

The fourth proportional to 47,503.08, 71,134.08 and 28,515.90 is: 42,701.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,503.08 : 71,134.08 = 28,515.90 : x
  2. Step 2: Convert to fraction form
    47,503.08/71,134.08 = 28,515.90/x
  3. Step 3: Cross multiply
    47,503.08x = 71,134.08 × 28,515.90
  4. Step 4: Simplify right side
    47,503.08x = 2,028,452,311.87
  5. Step 5: Solve for x
    x = 2,028,452,311.87/47,503.08
  6. Step 6: Final answer
    x = 42,701.49

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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.