Home / 31,402.07-47,103.10-14,749.89

Finding the Fourth Proportional to 31,402.07, 47,103.10 and 14,749.89

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Solution

The fourth proportional to 31,402.07, 47,103.10 and 14,749.89 is: 22,124.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,402.07 : 47,103.10 = 14,749.89 : x
  2. Step 2: Convert to fraction form
    31,402.07/47,103.10 = 14,749.89/x
  3. Step 3: Cross multiply
    31,402.07x = 47,103.10 × 14,749.89
  4. Step 4: Simplify right side
    31,402.07x = 694,765,543.66
  5. Step 5: Solve for x
    x = 694,765,543.66/31,402.07
  6. Step 6: Final answer
    x = 22,124.83

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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.