Home / 40,434.08-60,595.82-20,671.19

Finding the Fourth Proportional to 40,434.08, 60,595.82 and 20,671.19

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Solution

The fourth proportional to 40,434.08, 60,595.82 and 20,671.19 is: 30,978.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,434.08 : 60,595.82 = 20,671.19 : x
  2. Step 2: Convert to fraction form
    40,434.08/60,595.82 = 20,671.19/x
  3. Step 3: Cross multiply
    40,434.08x = 60,595.82 × 20,671.19
  4. Step 4: Simplify right side
    40,434.08x = 1,252,587,302.09
  5. Step 5: Solve for x
    x = 1,252,587,302.09/40,434.08
  6. Step 6: Final answer
    x = 30,978.51

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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.