Home / 51,017.46-76,384.17-38,499.54

Finding the Fourth Proportional to 51,017.46, 76,384.17 and 38,499.54

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Solution

The fourth proportional to 51,017.46, 76,384.17 and 38,499.54 is: 57,642.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,017.46 : 76,384.17 = 38,499.54 : x
  2. Step 2: Convert to fraction form
    51,017.46/76,384.17 = 38,499.54/x
  3. Step 3: Cross multiply
    51,017.46x = 76,384.17 × 38,499.54
  4. Step 4: Simplify right side
    51,017.46x = 2,940,755,408.28
  5. Step 5: Solve for x
    x = 2,940,755,408.28/51,017.46
  6. Step 6: Final answer
    x = 57,642.14

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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.