Home / 54,215.19-74,810.25-30,335.85

Finding the Fourth Proportional to 54,215.19, 74,810.25 and 30,335.85

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Solution

The fourth proportional to 54,215.19, 74,810.25 and 30,335.85 is: 41,859.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,215.19 : 74,810.25 = 30,335.85 : x
  2. Step 2: Convert to fraction form
    54,215.19/74,810.25 = 30,335.85/x
  3. Step 3: Cross multiply
    54,215.19x = 74,810.25 × 30,335.85
  4. Step 4: Simplify right side
    54,215.19x = 2,269,432,522.46
  5. Step 5: Solve for x
    x = 2,269,432,522.46/54,215.19
  6. Step 6: Final answer
    x = 41,859.72

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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.