Home / 40,949.30-61,372.10-19,894.16

Finding the Fourth Proportional to 40,949.30, 61,372.10 and 19,894.16

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Solution

The fourth proportional to 40,949.30, 61,372.10 and 19,894.16 is: 29,816.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,949.30 : 61,372.10 = 19,894.16 : x
  2. Step 2: Convert to fraction form
    40,949.30/61,372.10 = 19,894.16/x
  3. Step 3: Cross multiply
    40,949.30x = 61,372.10 × 19,894.16
  4. Step 4: Simplify right side
    40,949.30x = 1,220,946,376.94
  5. Step 5: Solve for x
    x = 1,220,946,376.94/40,949.30
  6. Step 6: Final answer
    x = 29,816.05

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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.