Home / 48,422.94-72,640.17-20,717.34

Finding the Fourth Proportional to 48,422.94, 72,640.17 and 20,717.34

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Solution

The fourth proportional to 48,422.94, 72,640.17 and 20,717.34 is: 31,078.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,422.94 : 72,640.17 = 20,717.34 : x
  2. Step 2: Convert to fraction form
    48,422.94/72,640.17 = 20,717.34/x
  3. Step 3: Cross multiply
    48,422.94x = 72,640.17 × 20,717.34
  4. Step 4: Simplify right side
    48,422.94x = 1,504,911,099.55
  5. Step 5: Solve for x
    x = 1,504,911,099.55/48,422.94
  6. Step 6: Final answer
    x = 31,078.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.