Home / 38,664.52-58,019.08-20,895.22

Finding the Fourth Proportional to 38,664.52, 58,019.08 and 20,895.22

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Solution

The fourth proportional to 38,664.52, 58,019.08 and 20,895.22 is: 31,354.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,664.52 : 58,019.08 = 20,895.22 : x
  2. Step 2: Convert to fraction form
    38,664.52/58,019.08 = 20,895.22/x
  3. Step 3: Cross multiply
    38,664.52x = 58,019.08 × 20,895.22
  4. Step 4: Simplify right side
    38,664.52x = 1,212,321,440.80
  5. Step 5: Solve for x
    x = 1,212,321,440.80/38,664.52
  6. Step 6: Final answer
    x = 31,354.88

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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.