Home / 42,145.06-63,226.83-15,849.81

Finding the Fourth Proportional to 42,145.06, 63,226.83 and 15,849.81

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Solution

The fourth proportional to 42,145.06, 63,226.83 and 15,849.81 is: 23,778.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,145.06 : 63,226.83 = 15,849.81 : x
  2. Step 2: Convert to fraction form
    42,145.06/63,226.83 = 15,849.81/x
  3. Step 3: Cross multiply
    42,145.06x = 63,226.83 × 15,849.81
  4. Step 4: Simplify right side
    42,145.06x = 1,002,133,064.74
  5. Step 5: Solve for x
    x = 1,002,133,064.74/42,145.06
  6. Step 6: Final answer
    x = 23,778.19

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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.