Home / 31,881.24-47,829.42-9,695.88

Finding the Fourth Proportional to 31,881.24, 47,829.42 and 9,695.88

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Solution

The fourth proportional to 31,881.24, 47,829.42 and 9,695.88 is: 14,546.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,881.24 : 47,829.42 = 9,695.88 : x
  2. Step 2: Convert to fraction form
    31,881.24/47,829.42 = 9,695.88/x
  3. Step 3: Cross multiply
    31,881.24x = 47,829.42 × 9,695.88
  4. Step 4: Simplify right side
    31,881.24x = 463,748,316.79
  5. Step 5: Solve for x
    x = 463,748,316.79/31,881.24
  6. Step 6: Final answer
    x = 14,546.12

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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.