Home / 47,657.40-65,766.16-26,436.48

Finding the Fourth Proportional to 47,657.40, 65,766.16 and 26,436.48

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Solution

The fourth proportional to 47,657.40, 65,766.16 and 26,436.48 is: 36,481.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,657.40 : 65,766.16 = 26,436.48 : x
  2. Step 2: Convert to fraction form
    47,657.40/65,766.16 = 26,436.48/x
  3. Step 3: Cross multiply
    47,657.40x = 65,766.16 × 26,436.48
  4. Step 4: Simplify right side
    47,657.40x = 1,738,625,773.52
  5. Step 5: Solve for x
    x = 1,738,625,773.52/47,657.40
  6. Step 6: Final answer
    x = 36,481.76

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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.