Home / 60,937.11-91,407.68-20,955.70

Finding the Fourth Proportional to 60,937.11, 91,407.68 and 20,955.70

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Solution

The fourth proportional to 60,937.11, 91,407.68 and 20,955.70 is: 31,434.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,937.11 : 91,407.68 = 20,955.70 : x
  2. Step 2: Convert to fraction form
    60,937.11/91,407.68 = 20,955.70/x
  3. Step 3: Cross multiply
    60,937.11x = 91,407.68 × 20,955.70
  4. Step 4: Simplify right side
    60,937.11x = 1,915,511,462.74
  5. Step 5: Solve for x
    x = 1,915,511,462.74/60,937.11
  6. Step 6: Final answer
    x = 31,434.24

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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.