Home / 47,943.36-71,910.18-12,886.56

Finding the Fourth Proportional to 47,943.36, 71,910.18 and 12,886.56

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Solution

The fourth proportional to 47,943.36, 71,910.18 and 12,886.56 is: 19,328.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,943.36 : 71,910.18 = 12,886.56 : x
  2. Step 2: Convert to fraction form
    47,943.36/71,910.18 = 12,886.56/x
  3. Step 3: Cross multiply
    47,943.36x = 71,910.18 × 12,886.56
  4. Step 4: Simplify right side
    47,943.36x = 926,674,849.18
  5. Step 5: Solve for x
    x = 926,674,849.18/47,943.36
  6. Step 6: Final answer
    x = 19,328.53

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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.