Home / 43,111.97-64,647.13-15,031.36

Finding the Fourth Proportional to 43,111.97, 64,647.13 and 15,031.36

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Solution

The fourth proportional to 43,111.97, 64,647.13 and 15,031.36 is: 22,539.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,111.97 : 64,647.13 = 15,031.36 : x
  2. Step 2: Convert to fraction form
    43,111.97/64,647.13 = 15,031.36/x
  3. Step 3: Cross multiply
    43,111.97x = 64,647.13 × 15,031.36
  4. Step 4: Simplify right side
    43,111.97x = 971,734,284.00
  5. Step 5: Solve for x
    x = 971,734,284.00/43,111.97
  6. Step 6: Final answer
    x = 22,539.78

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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.