Home / 45,347.18-68,020.94-13,757.52

Finding the Fourth Proportional to 45,347.18, 68,020.94 and 13,757.52

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Solution

The fourth proportional to 45,347.18, 68,020.94 and 13,757.52 is: 20,636.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,347.18 : 68,020.94 = 13,757.52 : x
  2. Step 2: Convert to fraction form
    45,347.18/68,020.94 = 13,757.52/x
  3. Step 3: Cross multiply
    45,347.18x = 68,020.94 × 13,757.52
  4. Step 4: Simplify right side
    45,347.18x = 935,799,442.47
  5. Step 5: Solve for x
    x = 935,799,442.47/45,347.18
  6. Step 6: Final answer
    x = 20,636.33

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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.