Home / 45,013.26-67,514.29-28,147.74

Finding the Fourth Proportional to 45,013.26, 67,514.29 and 28,147.74

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Solution

The fourth proportional to 45,013.26, 67,514.29 and 28,147.74 is: 42,218.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,013.26 : 67,514.29 = 28,147.74 : x
  2. Step 2: Convert to fraction form
    45,013.26/67,514.29 = 28,147.74/x
  3. Step 3: Cross multiply
    45,013.26x = 67,514.29 × 28,147.74
  4. Step 4: Simplify right side
    45,013.26x = 1,900,374,681.20
  5. Step 5: Solve for x
    x = 1,900,374,681.20/45,013.26
  6. Step 6: Final answer
    x = 42,218.11

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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.