Home / 48,405.28-72,576.72-20,343.52

Finding the Fourth Proportional to 48,405.28, 72,576.72 and 20,343.52

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Solution

The fourth proportional to 48,405.28, 72,576.72 and 20,343.52 is: 30,502.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,405.28 : 72,576.72 = 20,343.52 : x
  2. Step 2: Convert to fraction form
    48,405.28/72,576.72 = 20,343.52/x
  3. Step 3: Cross multiply
    48,405.28x = 72,576.72 × 20,343.52
  4. Step 4: Simplify right side
    48,405.28x = 1,476,465,954.85
  5. Step 5: Solve for x
    x = 1,476,465,954.85/48,405.28
  6. Step 6: Final answer
    x = 30,502.17

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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.