Home / 60,979.24-91,479.74-21,559.24

Finding the Fourth Proportional to 60,979.24, 91,479.74 and 21,559.24

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Solution

The fourth proportional to 60,979.24, 91,479.74 and 21,559.24 is: 32,342.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,979.24 : 91,479.74 = 21,559.24 : x
  2. Step 2: Convert to fraction form
    60,979.24/91,479.74 = 21,559.24/x
  3. Step 3: Cross multiply
    60,979.24x = 91,479.74 × 21,559.24
  4. Step 4: Simplify right side
    60,979.24x = 1,972,233,669.80
  5. Step 5: Solve for x
    x = 1,972,233,669.80/60,979.24
  6. Step 6: Final answer
    x = 32,342.71

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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.