Home / 54,478.04-75,179.24-30,604.20

Finding the Fourth Proportional to 54,478.04, 75,179.24 and 30,604.20

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Solution

The fourth proportional to 54,478.04, 75,179.24 and 30,604.20 is: 42,233.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,478.04 : 75,179.24 = 30,604.20 : x
  2. Step 2: Convert to fraction form
    54,478.04/75,179.24 = 30,604.20/x
  3. Step 3: Cross multiply
    54,478.04x = 75,179.24 × 30,604.20
  4. Step 4: Simplify right side
    54,478.04x = 2,300,799,967.89
  5. Step 5: Solve for x
    x = 2,300,799,967.89/54,478.04
  6. Step 6: Final answer
    x = 42,233.53

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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.