Home / 40,266.36-60,375.69-12,177.90

Finding the Fourth Proportional to 40,266.36, 60,375.69 and 12,177.90

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Solution

The fourth proportional to 40,266.36, 60,375.69 and 12,177.90 is: 18,259.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,266.36 : 60,375.69 = 12,177.90 : x
  2. Step 2: Convert to fraction form
    40,266.36/60,375.69 = 12,177.90/x
  3. Step 3: Cross multiply
    40,266.36x = 60,375.69 × 12,177.90
  4. Step 4: Simplify right side
    40,266.36x = 735,249,115.25
  5. Step 5: Solve for x
    x = 735,249,115.25/40,266.36
  6. Step 6: Final answer
    x = 18,259.64

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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.