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Finding the Fourth Proportional to 47,708.76, 65,838.84 and 26,488.08

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Solution

The fourth proportional to 47,708.76, 65,838.84 and 26,488.08 is: 36,553.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,708.76 : 65,838.84 = 26,488.08 : x
  2. Step 2: Convert to fraction form
    47,708.76/65,838.84 = 26,488.08/x
  3. Step 3: Cross multiply
    47,708.76x = 65,838.84 × 26,488.08
  4. Step 4: Simplify right side
    47,708.76x = 1,743,944,461.03
  5. Step 5: Solve for x
    x = 1,743,944,461.03/47,708.76
  6. Step 6: Final answer
    x = 36,553.97

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.