Home / 31,988.52-44,144.19-18,562.50

Finding the Fourth Proportional to 31,988.52, 44,144.19 and 18,562.50

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Solution

The fourth proportional to 31,988.52, 44,144.19 and 18,562.50 is: 25,616.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,988.52 : 44,144.19 = 18,562.50 : x
  2. Step 2: Convert to fraction form
    31,988.52/44,144.19 = 18,562.50/x
  3. Step 3: Cross multiply
    31,988.52x = 44,144.19 × 18,562.50
  4. Step 4: Simplify right side
    31,988.52x = 819,426,526.88
  5. Step 5: Solve for x
    x = 819,426,526.88/31,988.52
  6. Step 6: Final answer
    x = 25,616.27

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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.