Home / 29,056.57-40,081.16-18,297.20

Finding the Fourth Proportional to 29,056.57, 40,081.16 and 18,297.20

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Solution

The fourth proportional to 29,056.57, 40,081.16 and 18,297.20 is: 25,239.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,056.57 : 40,081.16 = 18,297.20 : x
  2. Step 2: Convert to fraction form
    29,056.57/40,081.16 = 18,297.20/x
  3. Step 3: Cross multiply
    29,056.57x = 40,081.16 × 18,297.20
  4. Step 4: Simplify right side
    29,056.57x = 733,373,146.70
  5. Step 5: Solve for x
    x = 733,373,146.70/29,056.57
  6. Step 6: Final answer
    x = 25,239.50

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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.