Home / 31,932.78-47,899.18-9,746.28

Finding the Fourth Proportional to 31,932.78, 47,899.18 and 9,746.28

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Solution

The fourth proportional to 31,932.78, 47,899.18 and 9,746.28 is: 14,619.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,932.78 : 47,899.18 = 9,746.28 : x
  2. Step 2: Convert to fraction form
    31,932.78/47,899.18 = 9,746.28/x
  3. Step 3: Cross multiply
    31,932.78x = 47,899.18 × 9,746.28
  4. Step 4: Simplify right side
    31,932.78x = 466,838,820.05
  5. Step 5: Solve for x
    x = 466,838,820.05/31,932.78
  6. Step 6: Final answer
    x = 14,619.42

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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.