Home / 39,382.74-59,074.11-11,678.58

Finding the Fourth Proportional to 39,382.74, 59,074.11 and 11,678.58

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Solution

The fourth proportional to 39,382.74, 59,074.11 and 11,678.58 is: 17,517.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,382.74 : 59,074.11 = 11,678.58 : x
  2. Step 2: Convert to fraction form
    39,382.74/59,074.11 = 11,678.58/x
  3. Step 3: Cross multiply
    39,382.74x = 59,074.11 × 11,678.58
  4. Step 4: Simplify right side
    39,382.74x = 689,901,719.56
  5. Step 5: Solve for x
    x = 689,901,719.56/39,382.74
  6. Step 6: Final answer
    x = 17,517.87

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1.5x scale

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.