Home / 64,806.28-89,428.10-36,124.65

Finding the Fourth Proportional to 64,806.28, 89,428.10 and 36,124.65

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Solution

The fourth proportional to 64,806.28, 89,428.10 and 36,124.65 is: 49,849.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,806.28 : 89,428.10 = 36,124.65 : x
  2. Step 2: Convert to fraction form
    64,806.28/89,428.10 = 36,124.65/x
  3. Step 3: Cross multiply
    64,806.28x = 89,428.10 × 36,124.65
  4. Step 4: Simplify right side
    64,806.28x = 3,230,558,498.73
  5. Step 5: Solve for x
    x = 3,230,558,498.73/64,806.28
  6. Step 6: Final answer
    x = 49,849.47

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.