Home / 29,664.56-40,937.33-18,331.47

Finding the Fourth Proportional to 29,664.56, 40,937.33 and 18,331.47

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Solution

The fourth proportional to 29,664.56, 40,937.33 and 18,331.47 is: 25,297.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,664.56 : 40,937.33 = 18,331.47 : x
  2. Step 2: Convert to fraction form
    29,664.56/40,937.33 = 18,331.47/x
  3. Step 3: Cross multiply
    29,664.56x = 40,937.33 × 18,331.47
  4. Step 4: Simplify right side
    29,664.56x = 750,441,436.78
  5. Step 5: Solve for x
    x = 750,441,436.78/29,664.56
  6. Step 6: Final answer
    x = 25,297.58

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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.