Home / 54,680.98-82,021.50-15,239.13

Finding the Fourth Proportional to 54,680.98, 82,021.50 and 15,239.13

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Solution

The fourth proportional to 54,680.98, 82,021.50 and 15,239.13 is: 22,858.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,680.98 : 82,021.50 = 15,239.13 : x
  2. Step 2: Convert to fraction form
    54,680.98/82,021.50 = 15,239.13/x
  3. Step 3: Cross multiply
    54,680.98x = 82,021.50 × 15,239.13
  4. Step 4: Simplify right side
    54,680.98x = 1,249,936,301.30
  5. Step 5: Solve for x
    x = 1,249,936,301.30/54,680.98
  6. Step 6: Final answer
    x = 22,858.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.