Home / 41,981.40-62,963.68-20,625.20

Finding the Fourth Proportional to 41,981.40, 62,963.68 and 20,625.20

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Solution

The fourth proportional to 41,981.40, 62,963.68 and 20,625.20 is: 30,933.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,981.40 : 62,963.68 = 20,625.20 : x
  2. Step 2: Convert to fraction form
    41,981.40/62,963.68 = 20,625.20/x
  3. Step 3: Cross multiply
    41,981.40x = 62,963.68 × 20,625.20
  4. Step 4: Simplify right side
    41,981.40x = 1,298,638,492.74
  5. Step 5: Solve for x
    x = 1,298,638,492.74/41,981.40
  6. Step 6: Final answer
    x = 30,933.66

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1.5x scale

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.