Home / 42,233.76-63,408.96-21,471.84

Finding the Fourth Proportional to 42,233.76, 63,408.96 and 21,471.84

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Solution

The fourth proportional to 42,233.76, 63,408.96 and 21,471.84 is: 32,237.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,233.76 : 63,408.96 = 21,471.84 : x
  2. Step 2: Convert to fraction form
    42,233.76/63,408.96 = 21,471.84/x
  3. Step 3: Cross multiply
    42,233.76x = 63,408.96 × 21,471.84
  4. Step 4: Simplify right side
    42,233.76x = 1,361,507,043.69
  5. Step 5: Solve for x
    x = 1,361,507,043.69/42,233.76
  6. Step 6: Final answer
    x = 32,237.41

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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.