Home / 54,162.47-74,747.81-30,287.72

Finding the Fourth Proportional to 54,162.47, 74,747.81 and 30,287.72

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Solution

The fourth proportional to 54,162.47, 74,747.81 and 30,287.72 is: 41,799.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,162.47 : 74,747.81 = 30,287.72 : x
  2. Step 2: Convert to fraction form
    54,162.47/74,747.81 = 30,287.72/x
  3. Step 3: Cross multiply
    54,162.47x = 74,747.81 × 30,287.72
  4. Step 4: Simplify right side
    54,162.47x = 2,263,941,002.48
  5. Step 5: Solve for x
    x = 2,263,941,002.48/54,162.47
  6. Step 6: Final answer
    x = 41,799.07

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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.