Home / 31,441.98-43,398.47-18,532.53

Finding the Fourth Proportional to 31,441.98, 43,398.47 and 18,532.53

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Solution

The fourth proportional to 31,441.98, 43,398.47 and 18,532.53 is: 25,579.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,441.98 : 43,398.47 = 18,532.53 : x
  2. Step 2: Convert to fraction form
    31,441.98/43,398.47 = 18,532.53/x
  3. Step 3: Cross multiply
    31,441.98x = 43,398.47 × 18,532.53
  4. Step 4: Simplify right side
    31,441.98x = 804,283,493.56
  5. Step 5: Solve for x
    x = 804,283,493.56/31,441.98
  6. Step 6: Final answer
    x = 25,579.92

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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.