Home / 60,585.68-90,777.72-21,121.04

Finding the Fourth Proportional to 60,585.68, 90,777.72 and 21,121.04

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Solution

The fourth proportional to 60,585.68, 90,777.72 and 21,121.04 is: 31,646.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,585.68 : 90,777.72 = 21,121.04 : x
  2. Step 2: Convert to fraction form
    60,585.68/90,777.72 = 21,121.04/x
  3. Step 3: Cross multiply
    60,585.68x = 90,777.72 × 21,121.04
  4. Step 4: Simplify right side
    60,585.68x = 1,917,319,855.23
  5. Step 5: Solve for x
    x = 1,917,319,855.23/60,585.68
  6. Step 6: Final answer
    x = 31,646.42

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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.