Home / 30,875.73-42,606.41-17,447.55

Finding the Fourth Proportional to 30,875.73, 42,606.41 and 17,447.55

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Solution

The fourth proportional to 30,875.73, 42,606.41 and 17,447.55 is: 24,076.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,875.73 : 42,606.41 = 17,447.55 : x
  2. Step 2: Convert to fraction form
    30,875.73/42,606.41 = 17,447.55/x
  3. Step 3: Cross multiply
    30,875.73x = 42,606.41 × 17,447.55
  4. Step 4: Simplify right side
    30,875.73x = 743,377,381.56
  5. Step 5: Solve for x
    x = 743,377,381.56/30,875.73
  6. Step 6: Final answer
    x = 24,076.43

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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.