Home / 38,742.88-58,094.16-13,779.29

Finding the Fourth Proportional to 38,742.88, 58,094.16 and 13,779.29

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Solution

The fourth proportional to 38,742.88, 58,094.16 and 13,779.29 is: 20,661.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,742.88 : 58,094.16 = 13,779.29 : x
  2. Step 2: Convert to fraction form
    38,742.88/58,094.16 = 13,779.29/x
  3. Step 3: Cross multiply
    38,742.88x = 58,094.16 × 13,779.29
  4. Step 4: Simplify right side
    38,742.88x = 800,496,277.95
  5. Step 5: Solve for x
    x = 800,496,277.95/38,742.88
  6. Step 6: Final answer
    x = 20,661.76

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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.