Home / 29,071.70-43,543.97-20,612.56

Finding the Fourth Proportional to 29,071.70, 43,543.97 and 20,612.56

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Solution

The fourth proportional to 29,071.70, 43,543.97 and 20,612.56 is: 30,873.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,071.70 : 43,543.97 = 20,612.56 : x
  2. Step 2: Convert to fraction form
    29,071.70/43,543.97 = 20,612.56/x
  3. Step 3: Cross multiply
    29,071.70x = 43,543.97 × 20,612.56
  4. Step 4: Simplify right side
    29,071.70x = 897,552,482.34
  5. Step 5: Solve for x
    x = 897,552,482.34/29,071.70
  6. Step 6: Final answer
    x = 30,873.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.