Home / 54,390.68-75,060.43-30,519.12

Finding the Fourth Proportional to 54,390.68, 75,060.43 and 30,519.12

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Solution

The fourth proportional to 54,390.68, 75,060.43 and 30,519.12 is: 42,117.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,390.68 : 75,060.43 = 30,519.12 : x
  2. Step 2: Convert to fraction form
    54,390.68/75,060.43 = 30,519.12/x
  3. Step 3: Cross multiply
    54,390.68x = 75,060.43 × 30,519.12
  4. Step 4: Simplify right side
    54,390.68x = 2,290,778,270.42
  5. Step 5: Solve for x
    x = 2,290,778,270.42/54,390.68
  6. Step 6: Final answer
    x = 42,117.11

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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.