Home / 73,521.38-110,273.29-20,218.77

Finding the Fourth Proportional to 73,521.38, 110,273.29 and 20,218.77

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Solution

The fourth proportional to 73,521.38, 110,273.29 and 20,218.77 is: 30,325.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,521.38 : 110,273.29 = 20,218.77 : x
  2. Step 2: Convert to fraction form
    73,521.38/110,273.29 = 20,218.77/x
  3. Step 3: Cross multiply
    73,521.38x = 110,273.29 × 20,218.77
  4. Step 4: Simplify right side
    73,521.38x = 2,229,590,287.65
  5. Step 5: Solve for x
    x = 2,229,590,287.65/73,521.38
  6. Step 6: Final answer
    x = 30,325.74

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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.