Home / 51,317.64-76,872.24-42,974.10

Finding the Fourth Proportional to 51,317.64, 76,872.24 and 42,974.10

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Solution

The fourth proportional to 51,317.64, 76,872.24 and 42,974.10 is: 64,373.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,317.64 : 76,872.24 = 42,974.10 : x
  2. Step 2: Convert to fraction form
    51,317.64/76,872.24 = 42,974.10/x
  3. Step 3: Cross multiply
    51,317.64x = 76,872.24 × 42,974.10
  4. Step 4: Simplify right side
    51,317.64x = 3,303,515,328.98
  5. Step 5: Solve for x
    x = 3,303,515,328.98/51,317.64
  6. Step 6: Final answer
    x = 64,373.87

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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.