Home / 33,419.66-46,119.15-18,312.20

Finding the Fourth Proportional to 33,419.66, 46,119.15 and 18,312.20

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Solution

The fourth proportional to 33,419.66, 46,119.15 and 18,312.20 is: 25,270.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,419.66 : 46,119.15 = 18,312.20 : x
  2. Step 2: Convert to fraction form
    33,419.66/46,119.15 = 18,312.20/x
  3. Step 3: Cross multiply
    33,419.66x = 46,119.15 × 18,312.20
  4. Step 4: Simplify right side
    33,419.66x = 844,543,168.15
  5. Step 5: Solve for x
    x = 844,543,168.15/33,419.66
  6. Step 6: Final answer
    x = 25,270.85

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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.