Home / 50,343.42-75,485.70-20,727.84

Finding the Fourth Proportional to 50,343.42, 75,485.70 and 20,727.84

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Solution

The fourth proportional to 50,343.42, 75,485.70 and 20,727.84 is: 31,079.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,343.42 : 75,485.70 = 20,727.84 : x
  2. Step 2: Convert to fraction form
    50,343.42/75,485.70 = 20,727.84/x
  3. Step 3: Cross multiply
    50,343.42x = 75,485.70 × 20,727.84
  4. Step 4: Simplify right side
    50,343.42x = 1,564,655,511.89
  5. Step 5: Solve for x
    x = 1,564,655,511.89/50,343.42
  6. Step 6: Final answer
    x = 31,079.64

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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.