Home / 54,154.16-74,732.75-30,280.89

Finding the Fourth Proportional to 54,154.16, 74,732.75 and 30,280.89

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Solution

The fourth proportional to 54,154.16, 74,732.75 and 30,280.89 is: 41,787.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,154.16 : 74,732.75 = 30,280.89 : x
  2. Step 2: Convert to fraction form
    54,154.16/74,732.75 = 30,280.89/x
  3. Step 3: Cross multiply
    54,154.16x = 74,732.75 × 30,280.89
  4. Step 4: Simplify right side
    54,154.16x = 2,262,974,030.74
  5. Step 5: Solve for x
    x = 2,262,974,030.74/54,154.16
  6. Step 6: Final answer
    x = 41,787.63

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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.