Home / 47,977.38-71,972.64-16,378.92

Finding the Fourth Proportional to 47,977.38, 71,972.64 and 16,378.92

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Solution

The fourth proportional to 47,977.38, 71,972.64 and 16,378.92 is: 24,570.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,977.38 : 71,972.64 = 16,378.92 : x
  2. Step 2: Convert to fraction form
    47,977.38/71,972.64 = 16,378.92/x
  3. Step 3: Cross multiply
    47,977.38x = 71,972.64 × 16,378.92
  4. Step 4: Simplify right side
    47,977.38x = 1,178,834,112.75
  5. Step 5: Solve for x
    x = 1,178,834,112.75/47,977.38
  6. Step 6: Final answer
    x = 24,570.62

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1.5x scale

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.