Home / 40,645.88-60,972.93-15,339.05

Finding the Fourth Proportional to 40,645.88, 60,972.93 and 15,339.05

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Solution

The fourth proportional to 40,645.88, 60,972.93 and 15,339.05 is: 23,010.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,645.88 : 60,972.93 = 15,339.05 : x
  2. Step 2: Convert to fraction form
    40,645.88/60,972.93 = 15,339.05/x
  3. Step 3: Cross multiply
    40,645.88x = 60,972.93 × 15,339.05
  4. Step 4: Simplify right side
    40,645.88x = 935,266,517.05
  5. Step 5: Solve for x
    x = 935,266,517.05/40,645.88
  6. Step 6: Final answer
    x = 23,010.12

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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.