Home / 38,348.12-57,538.92-13,406.06

Finding the Fourth Proportional to 38,348.12, 57,538.92 and 13,406.06

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Solution

The fourth proportional to 38,348.12, 57,538.92 and 13,406.06 is: 20,114.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,348.12 : 57,538.92 = 13,406.06 : x
  2. Step 2: Convert to fraction form
    38,348.12/57,538.92 = 13,406.06/x
  3. Step 3: Cross multiply
    38,348.12x = 57,538.92 × 13,406.06
  4. Step 4: Simplify right side
    38,348.12x = 771,370,213.86
  5. Step 5: Solve for x
    x = 771,370,213.86/38,348.12
  6. Step 6: Final answer
    x = 20,114.94

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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.