Home / 45,928.04-68,882.92-12,639.50

Finding the Fourth Proportional to 45,928.04, 68,882.92 and 12,639.50

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Solution

The fourth proportional to 45,928.04, 68,882.92 and 12,639.50 is: 18,956.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,928.04 : 68,882.92 = 12,639.50 : x
  2. Step 2: Convert to fraction form
    45,928.04/68,882.92 = 12,639.50/x
  3. Step 3: Cross multiply
    45,928.04x = 68,882.92 × 12,639.50
  4. Step 4: Simplify right side
    45,928.04x = 870,645,667.34
  5. Step 5: Solve for x
    x = 870,645,667.34/45,928.04
  6. Step 6: Final answer
    x = 18,956.73

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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.