Home / 47,979.34-71,977.21-16,387.67

Finding the Fourth Proportional to 47,979.34, 71,977.21 and 16,387.67

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Solution

The fourth proportional to 47,979.34, 71,977.21 and 16,387.67 is: 24,584.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,979.34 : 71,977.21 = 16,387.67 : x
  2. Step 2: Convert to fraction form
    47,979.34/71,977.21 = 16,387.67/x
  3. Step 3: Cross multiply
    47,979.34x = 71,977.21 × 16,387.67
  4. Step 4: Simplify right side
    47,979.34x = 1,179,538,585.06
  5. Step 5: Solve for x
    x = 1,179,538,585.06/47,979.34
  6. Step 6: Final answer
    x = 24,584.30

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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.