Home / 55,378.14-76,422.63-30,227.10

Finding the Fourth Proportional to 55,378.14, 76,422.63 and 30,227.10

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Solution

The fourth proportional to 55,378.14, 76,422.63 and 30,227.10 is: 41,713.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,378.14 : 76,422.63 = 30,227.10 : x
  2. Step 2: Convert to fraction form
    55,378.14/76,422.63 = 30,227.10/x
  3. Step 3: Cross multiply
    55,378.14x = 76,422.63 × 30,227.10
  4. Step 4: Simplify right side
    55,378.14x = 2,310,034,479.27
  5. Step 5: Solve for x
    x = 2,310,034,479.27/55,378.14
  6. Step 6: Final answer
    x = 41,713.83

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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.