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Finding the Fourth Proportional to 40,497.60, 55,886.54 and 22,592.60

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Solution

The fourth proportional to 40,497.60, 55,886.54 and 22,592.60 is: 31,177.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,497.60 : 55,886.54 = 22,592.60 : x
  2. Step 2: Convert to fraction form
    40,497.60/55,886.54 = 22,592.60/x
  3. Step 3: Cross multiply
    40,497.60x = 55,886.54 × 22,592.60
  4. Step 4: Simplify right side
    40,497.60x = 1,262,622,060.78
  5. Step 5: Solve for x
    x = 1,262,622,060.78/40,497.60
  6. Step 6: Final answer
    x = 31,177.70

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1.5x scale

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.