Home / 47,624.40-71,439.57-12,564.09

Finding the Fourth Proportional to 47,624.40, 71,439.57 and 12,564.09

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Solution

The fourth proportional to 47,624.40, 71,439.57 and 12,564.09 is: 18,846.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,624.40 : 71,439.57 = 12,564.09 : x
  2. Step 2: Convert to fraction form
    47,624.40/71,439.57 = 12,564.09/x
  3. Step 3: Cross multiply
    47,624.40x = 71,439.57 × 12,564.09
  4. Step 4: Simplify right side
    47,624.40x = 897,573,187.04
  5. Step 5: Solve for x
    x = 897,573,187.04/47,624.40
  6. Step 6: Final answer
    x = 18,846.92

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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.