Home / 49,114.18-67,758.42-27,890.56

Finding the Fourth Proportional to 49,114.18, 67,758.42 and 27,890.56

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Solution

The fourth proportional to 49,114.18, 67,758.42 and 27,890.56 is: 38,478.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,114.18 : 67,758.42 = 27,890.56 : x
  2. Step 2: Convert to fraction form
    49,114.18/67,758.42 = 27,890.56/x
  3. Step 3: Cross multiply
    49,114.18x = 67,758.42 × 27,890.56
  4. Step 4: Simplify right side
    49,114.18x = 1,889,820,278.52
  5. Step 5: Solve for x
    x = 1,889,820,278.52/49,114.18
  6. Step 6: Final answer
    x = 38,478.10

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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.