Home / 47,423.61-71,209.40-45,320.31

Finding the Fourth Proportional to 47,423.61, 71,209.40 and 45,320.31

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Solution

The fourth proportional to 47,423.61, 71,209.40 and 45,320.31 is: 68,051.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,423.61 : 71,209.40 = 45,320.31 : x
  2. Step 2: Convert to fraction form
    47,423.61/71,209.40 = 45,320.31/x
  3. Step 3: Cross multiply
    47,423.61x = 71,209.40 × 45,320.31
  4. Step 4: Simplify right side
    47,423.61x = 3,227,231,856.31
  5. Step 5: Solve for x
    x = 3,227,231,856.31/47,423.61
  6. Step 6: Final answer
    x = 68,051.16

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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.