Home / 31,569.32-47,340.20-16,774.68

Finding the Fourth Proportional to 31,569.32, 47,340.20 and 16,774.68

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Solution

The fourth proportional to 31,569.32, 47,340.20 and 16,774.68 is: 25,154.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,569.32 : 47,340.20 = 16,774.68 : x
  2. Step 2: Convert to fraction form
    31,569.32/47,340.20 = 16,774.68/x
  3. Step 3: Cross multiply
    31,569.32x = 47,340.20 × 16,774.68
  4. Step 4: Simplify right side
    31,569.32x = 794,116,706.14
  5. Step 5: Solve for x
    x = 794,116,706.14/31,569.32
  6. Step 6: Final answer
    x = 25,154.70

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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.