Home / 33,098.18-45,686.14-21,193.58

Finding the Fourth Proportional to 33,098.18, 45,686.14 and 21,193.58

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Solution

The fourth proportional to 33,098.18, 45,686.14 and 21,193.58 is: 29,253.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,098.18 : 45,686.14 = 21,193.58 : x
  2. Step 2: Convert to fraction form
    33,098.18/45,686.14 = 21,193.58/x
  3. Step 3: Cross multiply
    33,098.18x = 45,686.14 × 21,193.58
  4. Step 4: Simplify right side
    33,098.18x = 968,252,862.98
  5. Step 5: Solve for x
    x = 968,252,862.98/33,098.18
  6. Step 6: Final answer
    x = 29,253.96

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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.