Home / 45,779.48-63,170.15-25,634.78

Finding the Fourth Proportional to 45,779.48, 63,170.15 and 25,634.78

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Solution

The fourth proportional to 45,779.48, 63,170.15 and 25,634.78 is: 35,372.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,779.48 : 63,170.15 = 25,634.78 : x
  2. Step 2: Convert to fraction form
    45,779.48/63,170.15 = 25,634.78/x
  3. Step 3: Cross multiply
    45,779.48x = 63,170.15 × 25,634.78
  4. Step 4: Simplify right side
    45,779.48x = 1,619,352,453.79
  5. Step 5: Solve for x
    x = 1,619,352,453.79/45,779.48
  6. Step 6: Final answer
    x = 35,372.89

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.