Home / 41,638.24-62,071.76-40,998.88

Finding the Fourth Proportional to 41,638.24, 62,071.76 and 40,998.88

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Solution

The fourth proportional to 41,638.24, 62,071.76 and 40,998.88 is: 61,118.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,638.24 : 62,071.76 = 40,998.88 : x
  2. Step 2: Convert to fraction form
    41,638.24/62,071.76 = 40,998.88/x
  3. Step 3: Cross multiply
    41,638.24x = 62,071.76 × 40,998.88
  4. Step 4: Simplify right side
    41,638.24x = 2,544,872,639.63
  5. Step 5: Solve for x
    x = 2,544,872,639.63/41,638.24
  6. Step 6: Final answer
    x = 61,118.64

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.