Home / 40,490.01-60,738.05-18,315.86

Finding the Fourth Proportional to 40,490.01, 60,738.05 and 18,315.86

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Solution

The fourth proportional to 40,490.01, 60,738.05 and 18,315.86 is: 27,475.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,490.01 : 60,738.05 = 18,315.86 : x
  2. Step 2: Convert to fraction form
    40,490.01/60,738.05 = 18,315.86/x
  3. Step 3: Cross multiply
    40,490.01x = 60,738.05 × 18,315.86
  4. Step 4: Simplify right side
    40,490.01x = 1,112,469,362.57
  5. Step 5: Solve for x
    x = 1,112,469,362.57/40,490.01
  6. Step 6: Final answer
    x = 27,475.16

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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.