Home / 34,643.07-51,943.75-13,557.96

Finding the Fourth Proportional to 34,643.07, 51,943.75 and 13,557.96

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Solution

The fourth proportional to 34,643.07, 51,943.75 and 13,557.96 is: 20,328.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,643.07 : 51,943.75 = 13,557.96 : x
  2. Step 2: Convert to fraction form
    34,643.07/51,943.75 = 13,557.96/x
  3. Step 3: Cross multiply
    34,643.07x = 51,943.75 × 13,557.96
  4. Step 4: Simplify right side
    34,643.07x = 704,251,284.75
  5. Step 5: Solve for x
    x = 704,251,284.75/34,643.07
  6. Step 6: Final answer
    x = 20,328.78

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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.