Home / 40,270.60-60,406.49-12,190.93

Finding the Fourth Proportional to 40,270.60, 60,406.49 and 12,190.93

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Solution

The fourth proportional to 40,270.60, 60,406.49 and 12,190.93 is: 18,286.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,270.60 : 60,406.49 = 12,190.93 : x
  2. Step 2: Convert to fraction form
    40,270.60/60,406.49 = 12,190.93/x
  3. Step 3: Cross multiply
    40,270.60x = 60,406.49 × 12,190.93
  4. Step 4: Simplify right side
    40,270.60x = 736,411,291.14
  5. Step 5: Solve for x
    x = 736,411,291.14/40,270.60
  6. Step 6: Final answer
    x = 18,286.57

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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.