Home / 47,514.90-71,272.65-12,454.25

Finding the Fourth Proportional to 47,514.90, 71,272.65 and 12,454.25

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Solution

The fourth proportional to 47,514.90, 71,272.65 and 12,454.25 is: 18,681.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,514.90 : 71,272.65 = 12,454.25 : x
  2. Step 2: Convert to fraction form
    47,514.90/71,272.65 = 12,454.25/x
  3. Step 3: Cross multiply
    47,514.90x = 71,272.65 × 12,454.25
  4. Step 4: Simplify right side
    47,514.90x = 887,647,401.26
  5. Step 5: Solve for x
    x = 887,647,401.26/47,514.90
  6. Step 6: Final answer
    x = 18,681.45

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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.