Home / 54,391.95-81,531.80-22,820.35

Finding the Fourth Proportional to 54,391.95, 81,531.80 and 22,820.35

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Solution

The fourth proportional to 54,391.95, 81,531.80 and 22,820.35 is: 34,206.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,391.95 : 81,531.80 = 22,820.35 : x
  2. Step 2: Convert to fraction form
    54,391.95/81,531.80 = 22,820.35/x
  3. Step 3: Cross multiply
    54,391.95x = 81,531.80 × 22,820.35
  4. Step 4: Simplify right side
    54,391.95x = 1,860,583,690.37
  5. Step 5: Solve for x
    x = 1,860,583,690.37/54,391.95
  6. Step 6: Final answer
    x = 34,206.97

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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.