Home / 47,755.29-71,647.26-19,277.59

Finding the Fourth Proportional to 47,755.29, 71,647.26 and 19,277.59

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Solution

The fourth proportional to 47,755.29, 71,647.26 and 19,277.59 is: 28,922.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,755.29 : 71,647.26 = 19,277.59 : x
  2. Step 2: Convert to fraction form
    47,755.29/71,647.26 = 19,277.59/x
  3. Step 3: Cross multiply
    47,755.29x = 71,647.26 × 19,277.59
  4. Step 4: Simplify right side
    47,755.29x = 1,381,186,502.90
  5. Step 5: Solve for x
    x = 1,381,186,502.90/47,755.29
  6. Step 6: Final answer
    x = 28,922.17

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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.