Home / 47,719.76-65,915.24-36,320

Finding the Fourth Proportional to 47,719.76, 65,915.24 and 36,320

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Solution

The fourth proportional to 47,719.76, 65,915.24 and 36,320 is: 50,168.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,719.76 : 65,915.24 = 36,320 : x
  2. Step 2: Convert to fraction form
    47,719.76/65,915.24 = 36,320/x
  3. Step 3: Cross multiply
    47,719.76x = 65,915.24 × 36,320
  4. Step 4: Simplify right side
    47,719.76x = 2,394,041,516.80
  5. Step 5: Solve for x
    x = 2,394,041,516.80/47,719.76
  6. Step 6: Final answer
    x = 50,168.77

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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.