Home / 31,766.90-47,632.13-12,032.87

Finding the Fourth Proportional to 31,766.90, 47,632.13 and 12,032.87

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Solution

The fourth proportional to 31,766.90, 47,632.13 and 12,032.87 is: 18,042.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,766.90 : 47,632.13 = 12,032.87 : x
  2. Step 2: Convert to fraction form
    31,766.90/47,632.13 = 12,032.87/x
  3. Step 3: Cross multiply
    31,766.90x = 47,632.13 × 12,032.87
  4. Step 4: Simplify right side
    31,766.90x = 573,151,287.03
  5. Step 5: Solve for x
    x = 573,151,287.03/31,766.90
  6. Step 6: Final answer
    x = 18,042.40

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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.