Home / 40,169.40-60,253.79-12,089.34

Finding the Fourth Proportional to 40,169.40, 60,253.79 and 12,089.34

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Solution

The fourth proportional to 40,169.40, 60,253.79 and 12,089.34 is: 18,133.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,169.40 : 60,253.79 = 12,089.34 : x
  2. Step 2: Convert to fraction form
    40,169.40/60,253.79 = 12,089.34/x
  3. Step 3: Cross multiply
    40,169.40x = 60,253.79 × 12,089.34
  4. Step 4: Simplify right side
    40,169.40x = 728,428,553.60
  5. Step 5: Solve for x
    x = 728,428,553.60/40,169.40
  6. Step 6: Final answer
    x = 18,133.92

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1.5x scale

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.