Home / 74,406.92-111,608.04-18,247.20

Finding the Fourth Proportional to 74,406.92, 111,608.04 and 18,247.20

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Solution

The fourth proportional to 74,406.92, 111,608.04 and 18,247.20 is: 27,370.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,406.92 : 111,608.04 = 18,247.20 : x
  2. Step 2: Convert to fraction form
    74,406.92/111,608.04 = 18,247.20/x
  3. Step 3: Cross multiply
    74,406.92x = 111,608.04 × 18,247.20
  4. Step 4: Simplify right side
    74,406.92x = 2,036,534,227.49
  5. Step 5: Solve for x
    x = 2,036,534,227.49/74,406.92
  6. Step 6: Final answer
    x = 27,370.23

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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.