Home / 54,138.03-81,220.89-22,537.59

Finding the Fourth Proportional to 54,138.03, 81,220.89 and 22,537.59

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Solution

The fourth proportional to 54,138.03, 81,220.89 and 22,537.59 is: 33,812.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,138.03 : 81,220.89 = 22,537.59 : x
  2. Step 2: Convert to fraction form
    54,138.03/81,220.89 = 22,537.59/x
  3. Step 3: Cross multiply
    54,138.03x = 81,220.89 × 22,537.59
  4. Step 4: Simplify right side
    54,138.03x = 1,830,523,118.26
  5. Step 5: Solve for x
    x = 1,830,523,118.26/54,138.03
  6. Step 6: Final answer
    x = 33,812.15

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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.