Home / 31,937.78-47,913.35-10,876.16

Finding the Fourth Proportional to 31,937.78, 47,913.35 and 10,876.16

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Solution

The fourth proportional to 31,937.78, 47,913.35 and 10,876.16 is: 16,316.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,937.78 : 47,913.35 = 10,876.16 : x
  2. Step 2: Convert to fraction form
    31,937.78/47,913.35 = 10,876.16/x
  3. Step 3: Cross multiply
    31,937.78x = 47,913.35 × 10,876.16
  4. Step 4: Simplify right side
    31,937.78x = 521,112,966.79
  5. Step 5: Solve for x
    x = 521,112,966.79/31,937.78
  6. Step 6: Final answer
    x = 16,316.51

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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.