Home / 38,638.92-57,980.31-16,449.99

Finding the Fourth Proportional to 38,638.92, 57,980.31 and 16,449.99

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Solution

The fourth proportional to 38,638.92, 57,980.31 and 16,449.99 is: 24,684.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,638.92 : 57,980.31 = 16,449.99 : x
  2. Step 2: Convert to fraction form
    38,638.92/57,980.31 = 16,449.99/x
  3. Step 3: Cross multiply
    38,638.92x = 57,980.31 × 16,449.99
  4. Step 4: Simplify right side
    38,638.92x = 953,775,240.58
  5. Step 5: Solve for x
    x = 953,775,240.58/38,638.92
  6. Step 6: Final answer
    x = 24,684.31

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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.