Home / 40,212.33-60,318.93-12,132.64

Finding the Fourth Proportional to 40,212.33, 60,318.93 and 12,132.64

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Solution

The fourth proportional to 40,212.33, 60,318.93 and 12,132.64 is: 18,199.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,212.33 : 60,318.93 = 12,132.64 : x
  2. Step 2: Convert to fraction form
    40,212.33/60,318.93 = 12,132.64/x
  3. Step 3: Cross multiply
    40,212.33x = 60,318.93 × 12,132.64
  4. Step 4: Simplify right side
    40,212.33x = 731,827,561.28
  5. Step 5: Solve for x
    x = 731,827,561.28/40,212.33
  6. Step 6: Final answer
    x = 18,199.08

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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.