Home / 47,965.78-71,948.22-26,905.78

Finding the Fourth Proportional to 47,965.78, 71,948.22 and 26,905.78

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Solution

The fourth proportional to 47,965.78, 71,948.22 and 26,905.78 is: 40,358.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,965.78 : 71,948.22 = 26,905.78 : x
  2. Step 2: Convert to fraction form
    47,965.78/71,948.22 = 26,905.78/x
  3. Step 3: Cross multiply
    47,965.78x = 71,948.22 × 26,905.78
  4. Step 4: Simplify right side
    47,965.78x = 1,935,822,978.71
  5. Step 5: Solve for x
    x = 1,935,822,978.71/47,965.78
  6. Step 6: Final answer
    x = 40,358.42

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1.5x scale

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.