Home / 40,182.40-60,273.28-12,102.36

Finding the Fourth Proportional to 40,182.40, 60,273.28 and 12,102.36

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Solution

The fourth proportional to 40,182.40, 60,273.28 and 12,102.36 is: 18,153.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,182.40 : 60,273.28 = 12,102.36 : x
  2. Step 2: Convert to fraction form
    40,182.40/60,273.28 = 12,102.36/x
  3. Step 3: Cross multiply
    40,182.40x = 60,273.28 × 12,102.36
  4. Step 4: Simplify right side
    40,182.40x = 729,448,932.94
  5. Step 5: Solve for x
    x = 729,448,932.94/40,182.40
  6. Step 6: Final answer
    x = 18,153.44

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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.