Home / 54,478.78-75,180.27-30,604.95

Finding the Fourth Proportional to 54,478.78, 75,180.27 and 30,604.95

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Solution

The fourth proportional to 54,478.78, 75,180.27 and 30,604.95 is: 42,234.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,478.78 : 75,180.27 = 30,604.95 : x
  2. Step 2: Convert to fraction form
    54,478.78/75,180.27 = 30,604.95/x
  3. Step 3: Cross multiply
    54,478.78x = 75,180.27 × 30,604.95
  4. Step 4: Simplify right side
    54,478.78x = 2,300,888,404.34
  5. Step 5: Solve for x
    x = 2,300,888,404.34/54,478.78
  6. Step 6: Final answer
    x = 42,234.58

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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.