Home / 51,439.11-71,010.24-38,697.15

Finding the Fourth Proportional to 51,439.11, 71,010.24 and 38,697.15

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Solution

The fourth proportional to 51,439.11, 71,010.24 and 38,697.15 is: 53,420.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,439.11 : 71,010.24 = 38,697.15 : x
  2. Step 2: Convert to fraction form
    51,439.11/71,010.24 = 38,697.15/x
  3. Step 3: Cross multiply
    51,439.11x = 71,010.24 × 38,697.15
  4. Step 4: Simplify right side
    51,439.11x = 2,747,893,908.82
  5. Step 5: Solve for x
    x = 2,747,893,908.82/51,439.11
  6. Step 6: Final answer
    x = 53,420.32

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1.5x scale

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.