Home / 54,384.29-75,046.46-30,186.55

Finding the Fourth Proportional to 54,384.29, 75,046.46 and 30,186.55

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Solution

The fourth proportional to 54,384.29, 75,046.46 and 30,186.55 is: 41,655.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,384.29 : 75,046.46 = 30,186.55 : x
  2. Step 2: Convert to fraction form
    54,384.29/75,046.46 = 30,186.55/x
  3. Step 3: Cross multiply
    54,384.29x = 75,046.46 × 30,186.55
  4. Step 4: Simplify right side
    54,384.29x = 2,265,393,717.11
  5. Step 5: Solve for x
    x = 2,265,393,717.11/54,384.29
  6. Step 6: Final answer
    x = 41,655.30

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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.