Home / 33,098.55-45,686.22-20,355.63

Finding the Fourth Proportional to 33,098.55, 45,686.22 and 20,355.63

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Solution

The fourth proportional to 33,098.55, 45,686.22 and 20,355.63 is: 28,097.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,098.55 : 45,686.22 = 20,355.63 : x
  2. Step 2: Convert to fraction form
    33,098.55/45,686.22 = 20,355.63/x
  3. Step 3: Cross multiply
    33,098.55x = 45,686.22 × 20,355.63
  4. Step 4: Simplify right side
    33,098.55x = 929,971,790.42
  5. Step 5: Solve for x
    x = 929,971,790.42/33,098.55
  6. Step 6: Final answer
    x = 28,097.06

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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.