Home / 39,872.09-59,799.89-17,671.30

Finding the Fourth Proportional to 39,872.09, 59,799.89 and 17,671.30

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Solution

The fourth proportional to 39,872.09, 59,799.89 and 17,671.30 is: 26,503.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,872.09 : 59,799.89 = 17,671.30 : x
  2. Step 2: Convert to fraction form
    39,872.09/59,799.89 = 17,671.30/x
  3. Step 3: Cross multiply
    39,872.09x = 59,799.89 × 17,671.30
  4. Step 4: Simplify right side
    39,872.09x = 1,056,741,690.84
  5. Step 5: Solve for x
    x = 1,056,741,690.84/39,872.09
  6. Step 6: Final answer
    x = 26,503.29

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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.