Home / 33,155.55-45,758.57-18,622.13

Finding the Fourth Proportional to 33,155.55, 45,758.57 and 18,622.13

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Solution

The fourth proportional to 33,155.55, 45,758.57 and 18,622.13 is: 25,700.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,155.55 : 45,758.57 = 18,622.13 : x
  2. Step 2: Convert to fraction form
    33,155.55/45,758.57 = 18,622.13/x
  3. Step 3: Cross multiply
    33,155.55x = 45,758.57 × 18,622.13
  4. Step 4: Simplify right side
    33,155.55x = 852,121,717.25
  5. Step 5: Solve for x
    x = 852,121,717.25/33,155.55
  6. Step 6: Final answer
    x = 25,700.73

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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.