Home / 47,238.70-70,868.05-15,646.97

Finding the Fourth Proportional to 47,238.70, 70,868.05 and 15,646.97

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Solution

The fourth proportional to 47,238.70, 70,868.05 and 15,646.97 is: 23,473.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,238.70 : 70,868.05 = 15,646.97 : x
  2. Step 2: Convert to fraction form
    47,238.70/70,868.05 = 15,646.97/x
  3. Step 3: Cross multiply
    47,238.70x = 70,868.05 × 15,646.97
  4. Step 4: Simplify right side
    47,238.70x = 1,108,870,351.24
  5. Step 5: Solve for x
    x = 1,108,870,351.24/47,238.70
  6. Step 6: Final answer
    x = 23,473.77

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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.