Home / 31,872.68-43,984.34-17,725.53

Finding the Fourth Proportional to 31,872.68, 43,984.34 and 17,725.53

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Solution

The fourth proportional to 31,872.68, 43,984.34 and 17,725.53 is: 24,461.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,872.68 : 43,984.34 = 17,725.53 : x
  2. Step 2: Convert to fraction form
    31,872.68/43,984.34 = 17,725.53/x
  3. Step 3: Cross multiply
    31,872.68x = 43,984.34 × 17,725.53
  4. Step 4: Simplify right side
    31,872.68x = 779,645,518.28
  5. Step 5: Solve for x
    x = 779,645,518.28/31,872.68
  6. Step 6: Final answer
    x = 24,461.25

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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.