Home / 47,613.90-71,421.57-18,023.79

Finding the Fourth Proportional to 47,613.90, 71,421.57 and 18,023.79

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Solution

The fourth proportional to 47,613.90, 71,421.57 and 18,023.79 is: 27,035.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,613.90 : 71,421.57 = 18,023.79 : x
  2. Step 2: Convert to fraction form
    47,613.90/71,421.57 = 18,023.79/x
  3. Step 3: Cross multiply
    47,613.90x = 71,421.57 × 18,023.79
  4. Step 4: Simplify right side
    47,613.90x = 1,287,287,379.15
  5. Step 5: Solve for x
    x = 1,287,287,379.15/47,613.90
  6. Step 6: Final answer
    x = 27,035.96

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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.