Home / 44,681.45-66,920.11-21,324.29

Finding the Fourth Proportional to 44,681.45, 66,920.11 and 21,324.29

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Solution

The fourth proportional to 44,681.45, 66,920.11 and 21,324.29 is: 31,937.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,681.45 : 66,920.11 = 21,324.29 : x
  2. Step 2: Convert to fraction form
    44,681.45/66,920.11 = 21,324.29/x
  3. Step 3: Cross multiply
    44,681.45x = 66,920.11 × 21,324.29
  4. Step 4: Simplify right side
    44,681.45x = 1,427,023,725.85
  5. Step 5: Solve for x
    x = 1,427,023,725.85/44,681.45
  6. Step 6: Final answer
    x = 31,937.72

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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.