Home / 31,565.60-47,348.48-8,192.04

Finding the Fourth Proportional to 31,565.60, 47,348.48 and 8,192.04

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Solution

The fourth proportional to 31,565.60, 47,348.48 and 8,192.04 is: 12,288.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,565.60 : 47,348.48 = 8,192.04 : x
  2. Step 2: Convert to fraction form
    31,565.60/47,348.48 = 8,192.04/x
  3. Step 3: Cross multiply
    31,565.60x = 47,348.48 × 8,192.04
  4. Step 4: Simplify right side
    31,565.60x = 387,880,642.10
  5. Step 5: Solve for x
    x = 387,880,642.10/31,565.60
  6. Step 6: Final answer
    x = 12,288.08

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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.