Home / 43,110.97-64,645.63-15,030.36

Finding the Fourth Proportional to 43,110.97, 64,645.63 and 15,030.36

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Solution

The fourth proportional to 43,110.97, 64,645.63 and 15,030.36 is: 22,538.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,110.97 : 64,645.63 = 15,030.36 : x
  2. Step 2: Convert to fraction form
    43,110.97/64,645.63 = 15,030.36/x
  3. Step 3: Cross multiply
    43,110.97x = 64,645.63 × 15,030.36
  4. Step 4: Simplify right side
    43,110.97x = 971,647,053.75
  5. Step 5: Solve for x
    x = 971,647,053.75/43,110.97
  6. Step 6: Final answer
    x = 22,538.28

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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.