Home / 51,987.15-71,882.24-45,344.14

Finding the Fourth Proportional to 51,987.15, 71,882.24 and 45,344.14

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Solution

The fourth proportional to 51,987.15, 71,882.24 and 45,344.14 is: 62,696.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,987.15 : 71,882.24 = 45,344.14 : x
  2. Step 2: Convert to fraction form
    51,987.15/71,882.24 = 45,344.14/x
  3. Step 3: Cross multiply
    51,987.15x = 71,882.24 × 45,344.14
  4. Step 4: Simplify right side
    51,987.15x = 3,259,437,947.65
  5. Step 5: Solve for x
    x = 3,259,437,947.65/51,987.15
  6. Step 6: Final answer
    x = 62,696.99

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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.