Home / 74,236.64-111,361.20-24,315.68

Finding the Fourth Proportional to 74,236.64, 111,361.20 and 24,315.68

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Solution

The fourth proportional to 74,236.64, 111,361.20 and 24,315.68 is: 36,475.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,236.64 : 111,361.20 = 24,315.68 : x
  2. Step 2: Convert to fraction form
    74,236.64/111,361.20 = 24,315.68/x
  3. Step 3: Cross multiply
    74,236.64x = 111,361.20 × 24,315.68
  4. Step 4: Simplify right side
    74,236.64x = 2,707,823,303.62
  5. Step 5: Solve for x
    x = 2,707,823,303.62/74,236.64
  6. Step 6: Final answer
    x = 36,475.56

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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.