Home / 44,330.88-61,121.28-28,389.12

Finding the Fourth Proportional to 44,330.88, 61,121.28 and 28,389.12

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Solution

The fourth proportional to 44,330.88, 61,121.28 and 28,389.12 is: 39,141.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,330.88 : 61,121.28 = 28,389.12 : x
  2. Step 2: Convert to fraction form
    44,330.88/61,121.28 = 28,389.12/x
  3. Step 3: Cross multiply
    44,330.88x = 61,121.28 × 28,389.12
  4. Step 4: Simplify right side
    44,330.88x = 1,735,179,352.47
  5. Step 5: Solve for x
    x = 1,735,179,352.47/44,330.88
  6. Step 6: Final answer
    x = 39,141.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.