Home / 47,430.59-71,150.06-12,370.55

Finding the Fourth Proportional to 47,430.59, 71,150.06 and 12,370.55

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Solution

The fourth proportional to 47,430.59, 71,150.06 and 12,370.55 is: 18,556.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,430.59 : 71,150.06 = 12,370.55 : x
  2. Step 2: Convert to fraction form
    47,430.59/71,150.06 = 12,370.55/x
  3. Step 3: Cross multiply
    47,430.59x = 71,150.06 × 12,370.55
  4. Step 4: Simplify right side
    47,430.59x = 880,165,049.91
  5. Step 5: Solve for x
    x = 880,165,049.91/47,430.59
  6. Step 6: Final answer
    x = 18,556.91

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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.