Home / 50,330.72-75,498-18,748.76

Finding the Fourth Proportional to 50,330.72, 75,498 and 18,748.76

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Solution

The fourth proportional to 50,330.72, 75,498 and 18,748.76 is: 28,123.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,330.72 : 75,498 = 18,748.76 : x
  2. Step 2: Convert to fraction form
    50,330.72/75,498 = 18,748.76/x
  3. Step 3: Cross multiply
    50,330.72x = 75,498 × 18,748.76
  4. Step 4: Simplify right side
    50,330.72x = 1,415,493,882.48
  5. Step 5: Solve for x
    x = 1,415,493,882.48/50,330.72
  6. Step 6: Final answer
    x = 28,123.86

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Double scale
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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.