Home / 40,419.75-60,626.80-15,114.45

Finding the Fourth Proportional to 40,419.75, 60,626.80 and 15,114.45

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Solution

The fourth proportional to 40,419.75, 60,626.80 and 15,114.45 is: 22,670.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,419.75 : 60,626.80 = 15,114.45 : x
  2. Step 2: Convert to fraction form
    40,419.75/60,626.80 = 15,114.45/x
  3. Step 3: Cross multiply
    40,419.75x = 60,626.80 × 15,114.45
  4. Step 4: Simplify right side
    40,419.75x = 916,340,637.16
  5. Step 5: Solve for x
    x = 916,340,637.16/40,419.75
  6. Step 6: Final answer
    x = 22,670.62

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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.