Home / 30,872.73-42,602.27-17,444.55

Finding the Fourth Proportional to 30,872.73, 42,602.27 and 17,444.55

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Solution

The fourth proportional to 30,872.73, 42,602.27 and 17,444.55 is: 24,072.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,872.73 : 42,602.27 = 17,444.55 : x
  2. Step 2: Convert to fraction form
    30,872.73/42,602.27 = 17,444.55/x
  3. Step 3: Cross multiply
    30,872.73x = 42,602.27 × 17,444.55
  4. Step 4: Simplify right side
    30,872.73x = 743,177,341.91
  5. Step 5: Solve for x
    x = 743,177,341.91/30,872.73
  6. Step 6: Final answer
    x = 24,072.29

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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.