Home / 54,001.65-74,521.98-30,128.26

Finding the Fourth Proportional to 54,001.65, 74,521.98 and 30,128.26

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Solution

The fourth proportional to 54,001.65, 74,521.98 and 30,128.26 is: 41,576.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,001.65 : 74,521.98 = 30,128.26 : x
  2. Step 2: Convert to fraction form
    54,001.65/74,521.98 = 30,128.26/x
  3. Step 3: Cross multiply
    54,001.65x = 74,521.98 × 30,128.26
  4. Step 4: Simplify right side
    54,001.65x = 2,245,217,589.15
  5. Step 5: Solve for x
    x = 2,245,217,589.15/54,001.65
  6. Step 6: Final answer
    x = 41,576.83

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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.