Home / 45,538.11-68,330.41-30,715.94

Finding the Fourth Proportional to 45,538.11, 68,330.41 and 30,715.94

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Solution

The fourth proportional to 45,538.11, 68,330.41 and 30,715.94 is: 46,089.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,538.11 : 68,330.41 = 30,715.94 : x
  2. Step 2: Convert to fraction form
    45,538.11/68,330.41 = 30,715.94/x
  3. Step 3: Cross multiply
    45,538.11x = 68,330.41 × 30,715.94
  4. Step 4: Simplify right side
    45,538.11x = 2,098,832,867.77
  5. Step 5: Solve for x
    x = 2,098,832,867.77/45,538.11
  6. Step 6: Final answer
    x = 46,089.59

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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.