Home / 51,653.82-77,480.50-18,375.13

Finding the Fourth Proportional to 51,653.82, 77,480.50 and 18,375.13

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Solution

The fourth proportional to 51,653.82, 77,480.50 and 18,375.13 is: 27,562.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,653.82 : 77,480.50 = 18,375.13 : x
  2. Step 2: Convert to fraction form
    51,653.82/77,480.50 = 18,375.13/x
  3. Step 3: Cross multiply
    51,653.82x = 77,480.50 × 18,375.13
  4. Step 4: Simplify right side
    51,653.82x = 1,423,714,259.97
  5. Step 5: Solve for x
    x = 1,423,714,259.97/51,653.82
  6. Step 6: Final answer
    x = 27,562.61

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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.