Home / 35,777.97-49,371.14-19,861.18

Finding the Fourth Proportional to 35,777.97, 49,371.14 and 19,861.18

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Solution

The fourth proportional to 35,777.97, 49,371.14 and 19,861.18 is: 27,407.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,777.97 : 49,371.14 = 19,861.18 : x
  2. Step 2: Convert to fraction form
    35,777.97/49,371.14 = 19,861.18/x
  3. Step 3: Cross multiply
    35,777.97x = 49,371.14 × 19,861.18
  4. Step 4: Simplify right side
    35,777.97x = 980,569,024.57
  5. Step 5: Solve for x
    x = 980,569,024.57/35,777.97
  6. Step 6: Final answer
    x = 27,407.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.