Home / 63,420.30-95,042.97-47,820.78

Finding the Fourth Proportional to 63,420.30, 95,042.97 and 47,820.78

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Solution

The fourth proportional to 63,420.30, 95,042.97 and 47,820.78 is: 71,665.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,420.30 : 95,042.97 = 47,820.78 : x
  2. Step 2: Convert to fraction form
    63,420.30/95,042.97 = 47,820.78/x
  3. Step 3: Cross multiply
    63,420.30x = 95,042.97 × 47,820.78
  4. Step 4: Simplify right side
    63,420.30x = 4,545,028,958.92
  5. Step 5: Solve for x
    x = 4,545,028,958.92/63,420.30
  6. Step 6: Final answer
    x = 71,665.21

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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.