Home / 47,278.27-70,909.65-19,197.19

Finding the Fourth Proportional to 47,278.27, 70,909.65 and 19,197.19

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Solution

The fourth proportional to 47,278.27, 70,909.65 and 19,197.19 is: 28,792.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,278.27 : 70,909.65 = 19,197.19 : x
  2. Step 2: Convert to fraction form
    47,278.27/70,909.65 = 19,197.19/x
  3. Step 3: Cross multiply
    47,278.27x = 70,909.65 × 19,197.19
  4. Step 4: Simplify right side
    47,278.27x = 1,361,266,023.88
  5. Step 5: Solve for x
    x = 1,361,266,023.88/47,278.27
  6. Step 6: Final answer
    x = 28,792.64

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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.