Home / 54,305.03-74,943.02-30,432.11

Finding the Fourth Proportional to 54,305.03, 74,943.02 and 30,432.11

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Solution

The fourth proportional to 54,305.03, 74,943.02 and 30,432.11 is: 41,997.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,305.03 : 74,943.02 = 30,432.11 : x
  2. Step 2: Convert to fraction form
    54,305.03/74,943.02 = 30,432.11/x
  3. Step 3: Cross multiply
    54,305.03x = 74,943.02 × 30,432.11
  4. Step 4: Simplify right side
    54,305.03x = 2,280,673,929.74
  5. Step 5: Solve for x
    x = 2,280,673,929.74/54,305.03
  6. Step 6: Final answer
    x = 41,997.47

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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.