Home / 38,444.72-57,685.50-20,914.52

Finding the Fourth Proportional to 38,444.72, 57,685.50 and 20,914.52

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Solution

The fourth proportional to 38,444.72, 57,685.50 and 20,914.52 is: 31,381.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,444.72 : 57,685.50 = 20,914.52 : x
  2. Step 2: Convert to fraction form
    38,444.72/57,685.50 = 20,914.52/x
  3. Step 3: Cross multiply
    38,444.72x = 57,685.50 × 20,914.52
  4. Step 4: Simplify right side
    38,444.72x = 1,206,464,255.03
  5. Step 5: Solve for x
    x = 1,206,464,255.03/38,444.72
  6. Step 6: Final answer
    x = 31,381.80

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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.