Home / 40,641.26-60,979.01-21,899.21

Finding the Fourth Proportional to 40,641.26, 60,979.01 and 21,899.21

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Solution

The fourth proportional to 40,641.26, 60,979.01 and 21,899.21 is: 32,858.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,641.26 : 60,979.01 = 21,899.21 : x
  2. Step 2: Convert to fraction form
    40,641.26/60,979.01 = 21,899.21/x
  3. Step 3: Cross multiply
    40,641.26x = 60,979.01 × 21,899.21
  4. Step 4: Simplify right side
    40,641.26x = 1,335,391,731.19
  5. Step 5: Solve for x
    x = 1,335,391,731.19/40,641.26
  6. Step 6: Final answer
    x = 32,858.03

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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.