Home / 47,854.08-71,782.56-20,132.64

Finding the Fourth Proportional to 47,854.08, 71,782.56 and 20,132.64

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Solution

The fourth proportional to 47,854.08, 71,782.56 and 20,132.64 is: 30,199.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,854.08 : 71,782.56 = 20,132.64 : x
  2. Step 2: Convert to fraction form
    47,854.08/71,782.56 = 20,132.64/x
  3. Step 3: Cross multiply
    47,854.08x = 71,782.56 × 20,132.64
  4. Step 4: Simplify right side
    47,854.08x = 1,445,172,438.76
  5. Step 5: Solve for x
    x = 1,445,172,438.76/47,854.08
  6. Step 6: Final answer
    x = 30,199.57

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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.