Home / 47,472.32-71,224.05-19,415.97

Finding the Fourth Proportional to 47,472.32, 71,224.05 and 19,415.97

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Solution

The fourth proportional to 47,472.32, 71,224.05 and 19,415.97 is: 29,130.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,472.32 : 71,224.05 = 19,415.97 : x
  2. Step 2: Convert to fraction form
    47,472.32/71,224.05 = 19,415.97/x
  3. Step 3: Cross multiply
    47,472.32x = 71,224.05 × 19,415.97
  4. Step 4: Simplify right side
    47,472.32x = 1,382,883,661.96
  5. Step 5: Solve for x
    x = 1,382,883,661.96/47,472.32
  6. Step 6: Final answer
    x = 29,130.32

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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.