Home / 55,377.56-76,420.32-30,227.24

Finding the Fourth Proportional to 55,377.56, 76,420.32 and 30,227.24

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Solution

The fourth proportional to 55,377.56, 76,420.32 and 30,227.24 is: 41,713.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,377.56 : 76,420.32 = 30,227.24 : x
  2. Step 2: Convert to fraction form
    55,377.56/76,420.32 = 30,227.24/x
  3. Step 3: Cross multiply
    55,377.56x = 76,420.32 × 30,227.24
  4. Step 4: Simplify right side
    55,377.56x = 2,309,975,353.52
  5. Step 5: Solve for x
    x = 2,309,975,353.52/55,377.56
  6. Step 6: Final answer
    x = 41,713.20

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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.