Home / 54,589.55-75,335.05-30,717.07

Finding the Fourth Proportional to 54,589.55, 75,335.05 and 30,717.07

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Solution

The fourth proportional to 54,589.55, 75,335.05 and 30,717.07 is: 42,390.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,589.55 : 75,335.05 = 30,717.07 : x
  2. Step 2: Convert to fraction form
    54,589.55/75,335.05 = 30,717.07/x
  3. Step 3: Cross multiply
    54,589.55x = 75,335.05 × 30,717.07
  4. Step 4: Simplify right side
    54,589.55x = 2,314,072,004.30
  5. Step 5: Solve for x
    x = 2,314,072,004.30/54,589.55
  6. Step 6: Final answer
    x = 42,390.38

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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.