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Finding the Fourth Proportional to 47,708.99, 65,840.46 and 26,488.25

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Solution

The fourth proportional to 47,708.99, 65,840.46 and 26,488.25 is: 36,554.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,708.99 : 65,840.46 = 26,488.25 : x
  2. Step 2: Convert to fraction form
    47,708.99/65,840.46 = 26,488.25/x
  3. Step 3: Cross multiply
    47,708.99x = 65,840.46 × 26,488.25
  4. Step 4: Simplify right side
    47,708.99x = 1,743,998,432.15
  5. Step 5: Solve for x
    x = 1,743,998,432.15/47,708.99
  6. Step 6: Final answer
    x = 36,554.93

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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.