Home / 47,288.46-70,935.12-12,228.42

Finding the Fourth Proportional to 47,288.46, 70,935.12 and 12,228.42

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Solution

The fourth proportional to 47,288.46, 70,935.12 and 12,228.42 is: 18,343.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,288.46 : 70,935.12 = 12,228.42 : x
  2. Step 2: Convert to fraction form
    47,288.46/70,935.12 = 12,228.42/x
  3. Step 3: Cross multiply
    47,288.46x = 70,935.12 × 12,228.42
  4. Step 4: Simplify right side
    47,288.46x = 867,424,440.11
  5. Step 5: Solve for x
    x = 867,424,440.11/47,288.46
  6. Step 6: Final answer
    x = 18,343.26

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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.