Home / 40,160.40-60,154.20-26,163.60

Finding the Fourth Proportional to 40,160.40, 60,154.20 and 26,163.60

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Solution

The fourth proportional to 40,160.40, 60,154.20 and 26,163.60 is: 39,189.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,160.40 : 60,154.20 = 26,163.60 : x
  2. Step 2: Convert to fraction form
    40,160.40/60,154.20 = 26,163.60/x
  3. Step 3: Cross multiply
    40,160.40x = 60,154.20 × 26,163.60
  4. Step 4: Simplify right side
    40,160.40x = 1,573,850,427.12
  5. Step 5: Solve for x
    x = 1,573,850,427.12/40,160.40
  6. Step 6: Final answer
    x = 39,189.11

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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.