Home / 31,452.08-43,414.53-19,522.40

Finding the Fourth Proportional to 31,452.08, 43,414.53 and 19,522.40

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Solution

The fourth proportional to 31,452.08, 43,414.53 and 19,522.40 is: 26,947.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,452.08 : 43,414.53 = 19,522.40 : x
  2. Step 2: Convert to fraction form
    31,452.08/43,414.53 = 19,522.40/x
  3. Step 3: Cross multiply
    31,452.08x = 43,414.53 × 19,522.40
  4. Step 4: Simplify right side
    31,452.08x = 847,555,820.47
  5. Step 5: Solve for x
    x = 847,555,820.47/31,452.08
  6. Step 6: Final answer
    x = 26,947.53

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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.