Home / 54,281.29-74,908.13-30,408.13

Finding the Fourth Proportional to 54,281.29, 74,908.13 and 30,408.13

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Solution

The fourth proportional to 54,281.29, 74,908.13 and 30,408.13 is: 41,963.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,281.29 : 74,908.13 = 30,408.13 : x
  2. Step 2: Convert to fraction form
    54,281.29/74,908.13 = 30,408.13/x
  3. Step 3: Cross multiply
    54,281.29x = 74,908.13 × 30,408.13
  4. Step 4: Simplify right side
    54,281.29x = 2,277,816,435.65
  5. Step 5: Solve for x
    x = 2,277,816,435.65/54,281.29
  6. Step 6: Final answer
    x = 41,963.20

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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.