Home / 35,862.40-49,491.20-19,948.80

Finding the Fourth Proportional to 35,862.40, 49,491.20 and 19,948.80

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Solution

The fourth proportional to 35,862.40, 49,491.20 and 19,948.80 is: 27,529.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,862.40 : 49,491.20 = 19,948.80 : x
  2. Step 2: Convert to fraction form
    35,862.40/49,491.20 = 19,948.80/x
  3. Step 3: Cross multiply
    35,862.40x = 49,491.20 × 19,948.80
  4. Step 4: Simplify right side
    35,862.40x = 987,290,050.56
  5. Step 5: Solve for x
    x = 987,290,050.56/35,862.40
  6. Step 6: Final answer
    x = 27,529.95

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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.