Home / 40,531.78-55,951.32-24,621.76

Finding the Fourth Proportional to 40,531.78, 55,951.32 and 24,621.76

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Solution

The fourth proportional to 40,531.78, 55,951.32 and 24,621.76 is: 33,988.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,531.78 : 55,951.32 = 24,621.76 : x
  2. Step 2: Convert to fraction form
    40,531.78/55,951.32 = 24,621.76/x
  3. Step 3: Cross multiply
    40,531.78x = 55,951.32 × 24,621.76
  4. Step 4: Simplify right side
    40,531.78x = 1,377,619,972.72
  5. Step 5: Solve for x
    x = 1,377,619,972.72/40,531.78
  6. Step 6: Final answer
    x = 33,988.64

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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.