Home / 37,238.70-51,388.83-20,471.34

Finding the Fourth Proportional to 37,238.70, 51,388.83 and 20,471.34

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Solution

The fourth proportional to 37,238.70, 51,388.83 and 20,471.34 is: 28,250.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,238.70 : 51,388.83 = 20,471.34 : x
  2. Step 2: Convert to fraction form
    37,238.70/51,388.83 = 20,471.34/x
  3. Step 3: Cross multiply
    37,238.70x = 51,388.83 × 20,471.34
  4. Step 4: Simplify right side
    37,238.70x = 1,051,998,211.13
  5. Step 5: Solve for x
    x = 1,051,998,211.13/37,238.70
  6. Step 6: Final answer
    x = 28,250.13

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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.