Home / 31,422.16-47,044.14-28,465.96

Finding the Fourth Proportional to 31,422.16, 47,044.14 and 28,465.96

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Solution

The fourth proportional to 31,422.16, 47,044.14 and 28,465.96 is: 42,618.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,422.16 : 47,044.14 = 28,465.96 : x
  2. Step 2: Convert to fraction form
    31,422.16/47,044.14 = 28,465.96/x
  3. Step 3: Cross multiply
    31,422.16x = 47,044.14 × 28,465.96
  4. Step 4: Simplify right side
    31,422.16x = 1,339,156,607.47
  5. Step 5: Solve for x
    x = 1,339,156,607.47/31,422.16
  6. Step 6: Final answer
    x = 42,618.22

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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.