Home / 20,701.44-31,013.28-16,061.76

Finding the Fourth Proportional to 20,701.44, 31,013.28 and 16,061.76

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Solution

The fourth proportional to 20,701.44, 31,013.28 and 16,061.76 is: 24,062.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,701.44 : 31,013.28 = 16,061.76 : x
  2. Step 2: Convert to fraction form
    20,701.44/31,013.28 = 16,061.76/x
  3. Step 3: Cross multiply
    20,701.44x = 31,013.28 × 16,061.76
  4. Step 4: Simplify right side
    20,701.44x = 498,127,860.17
  5. Step 5: Solve for x
    x = 498,127,860.17/20,701.44
  6. Step 6: Final answer
    x = 24,062.47

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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.