Home / 41,986.40-62,980.14-12,404.68

Finding the Fourth Proportional to 41,986.40, 62,980.14 and 12,404.68

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Solution

The fourth proportional to 41,986.40, 62,980.14 and 12,404.68 is: 18,607.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,986.40 : 62,980.14 = 12,404.68 : x
  2. Step 2: Convert to fraction form
    41,986.40/62,980.14 = 12,404.68/x
  3. Step 3: Cross multiply
    41,986.40x = 62,980.14 × 12,404.68
  4. Step 4: Simplify right side
    41,986.40x = 781,248,483.06
  5. Step 5: Solve for x
    x = 781,248,483.06/41,986.40
  6. Step 6: Final answer
    x = 18,607.18

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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.