Home / 47,505.45-71,262.26-12,445.11

Finding the Fourth Proportional to 47,505.45, 71,262.26 and 12,445.11

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Solution

The fourth proportional to 47,505.45, 71,262.26 and 12,445.11 is: 18,668.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,505.45 : 71,262.26 = 12,445.11 : x
  2. Step 2: Convert to fraction form
    47,505.45/71,262.26 = 12,445.11/x
  3. Step 3: Cross multiply
    47,505.45x = 71,262.26 × 12,445.11
  4. Step 4: Simplify right side
    47,505.45x = 886,866,602.32
  5. Step 5: Solve for x
    x = 886,866,602.32/47,505.45
  6. Step 6: Final answer
    x = 18,668.73

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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.