Home / 37,686.26-52,016.38-21,779.89

Finding the Fourth Proportional to 37,686.26, 52,016.38 and 21,779.89

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Solution

The fourth proportional to 37,686.26, 52,016.38 and 21,779.89 is: 30,061.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,686.26 : 52,016.38 = 21,779.89 : x
  2. Step 2: Convert to fraction form
    37,686.26/52,016.38 = 21,779.89/x
  3. Step 3: Cross multiply
    37,686.26x = 52,016.38 × 21,779.89
  4. Step 4: Simplify right side
    37,686.26x = 1,132,910,850.11
  5. Step 5: Solve for x
    x = 1,132,910,850.11/37,686.26
  6. Step 6: Final answer
    x = 30,061.64

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1.5x scale

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.