Home / 54,681.30-82,021.98-15,239.45

Finding the Fourth Proportional to 54,681.30, 82,021.98 and 15,239.45

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Solution

The fourth proportional to 54,681.30, 82,021.98 and 15,239.45 is: 22,859.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,681.30 : 82,021.98 = 15,239.45 : x
  2. Step 2: Convert to fraction form
    54,681.30/82,021.98 = 15,239.45/x
  3. Step 3: Cross multiply
    54,681.30x = 82,021.98 × 15,239.45
  4. Step 4: Simplify right side
    54,681.30x = 1,249,969,453.00
  5. Step 5: Solve for x
    x = 1,249,969,453.00/54,681.30
  6. Step 6: Final answer
    x = 22,859.18

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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.