Home / 36,291.49-54,445.01-12,599.78

Finding the Fourth Proportional to 36,291.49, 54,445.01 and 12,599.78

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Solution

The fourth proportional to 36,291.49, 54,445.01 and 12,599.78 is: 18,902.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,291.49 : 54,445.01 = 12,599.78 : x
  2. Step 2: Convert to fraction form
    36,291.49/54,445.01 = 12,599.78/x
  3. Step 3: Cross multiply
    36,291.49x = 54,445.01 × 12,599.78
  4. Step 4: Simplify right side
    36,291.49x = 685,995,085.10
  5. Step 5: Solve for x
    x = 685,995,085.10/36,291.49
  6. Step 6: Final answer
    x = 18,902.37

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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.