Home / 51,206.10-76,679.55-37,986.90

Finding the Fourth Proportional to 51,206.10, 76,679.55 and 37,986.90

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Solution

The fourth proportional to 51,206.10, 76,679.55 and 37,986.90 is: 56,884.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,206.10 : 76,679.55 = 37,986.90 : x
  2. Step 2: Convert to fraction form
    51,206.10/76,679.55 = 37,986.90/x
  3. Step 3: Cross multiply
    51,206.10x = 76,679.55 × 37,986.90
  4. Step 4: Simplify right side
    51,206.10x = 2,912,818,397.90
  5. Step 5: Solve for x
    x = 2,912,818,397.90/51,206.10
  6. Step 6: Final answer
    x = 56,884.21

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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.