Home / 42,439.24-63,561.97-20,268.24

Finding the Fourth Proportional to 42,439.24, 63,561.97 and 20,268.24

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Solution

The fourth proportional to 42,439.24, 63,561.97 and 20,268.24 is: 30,356.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,439.24 : 63,561.97 = 20,268.24 : x
  2. Step 2: Convert to fraction form
    42,439.24/63,561.97 = 20,268.24/x
  3. Step 3: Cross multiply
    42,439.24x = 63,561.97 × 20,268.24
  4. Step 4: Simplify right side
    42,439.24x = 1,288,289,262.83
  5. Step 5: Solve for x
    x = 1,288,289,262.83/42,439.24
  6. Step 6: Final answer
    x = 30,356.09

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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.