Home / 54,132.81-74,703.06-30,259.47

Finding the Fourth Proportional to 54,132.81, 74,703.06 and 30,259.47

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Solution

The fourth proportional to 54,132.81, 74,703.06 and 30,259.47 is: 41,757.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,132.81 : 74,703.06 = 30,259.47 : x
  2. Step 2: Convert to fraction form
    54,132.81/74,703.06 = 30,259.47/x
  3. Step 3: Cross multiply
    54,132.81x = 74,703.06 × 30,259.47
  4. Step 4: Simplify right side
    54,132.81x = 2,260,475,002.98
  5. Step 5: Solve for x
    x = 2,260,475,002.98/54,132.81
  6. Step 6: Final answer
    x = 41,757.95

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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.