Home / 38,891.38-58,322.40-12,589.06

Finding the Fourth Proportional to 38,891.38, 58,322.40 and 12,589.06

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Solution

The fourth proportional to 38,891.38, 58,322.40 and 12,589.06 is: 18,878.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,891.38 : 58,322.40 = 12,589.06 : x
  2. Step 2: Convert to fraction form
    38,891.38/58,322.40 = 12,589.06/x
  3. Step 3: Cross multiply
    38,891.38x = 58,322.40 × 12,589.06
  4. Step 4: Simplify right side
    38,891.38x = 734,224,192.94
  5. Step 5: Solve for x
    x = 734,224,192.94/38,891.38
  6. Step 6: Final answer
    x = 18,878.84

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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.