Home / 51,409.28-76,926.13-30,359.27

Finding the Fourth Proportional to 51,409.28, 76,926.13 and 30,359.27

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Solution

The fourth proportional to 51,409.28, 76,926.13 and 30,359.27 is: 45,428.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,409.28 : 76,926.13 = 30,359.27 : x
  2. Step 2: Convert to fraction form
    51,409.28/76,926.13 = 30,359.27/x
  3. Step 3: Cross multiply
    51,409.28x = 76,926.13 × 30,359.27
  4. Step 4: Simplify right side
    51,409.28x = 2,335,421,150.73
  5. Step 5: Solve for x
    x = 2,335,421,150.73/51,409.28
  6. Step 6: Final answer
    x = 45,428.01

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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.