Home / 47,286.21-70,931.75-12,226.17

Finding the Fourth Proportional to 47,286.21, 70,931.75 and 12,226.17

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Solution

The fourth proportional to 47,286.21, 70,931.75 and 12,226.17 is: 18,339.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,286.21 : 70,931.75 = 12,226.17 : x
  2. Step 2: Convert to fraction form
    47,286.21/70,931.75 = 12,226.17/x
  3. Step 3: Cross multiply
    47,286.21x = 70,931.75 × 12,226.17
  4. Step 4: Simplify right side
    47,286.21x = 867,223,633.90
  5. Step 5: Solve for x
    x = 867,223,633.90/47,286.21
  6. Step 6: Final answer
    x = 18,339.88

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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.