Home / 40,007.58-55,205.73-22,101.51

Finding the Fourth Proportional to 40,007.58, 55,205.73 and 22,101.51

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Solution

The fourth proportional to 40,007.58, 55,205.73 and 22,101.51 is: 30,497.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,007.58 : 55,205.73 = 22,101.51 : x
  2. Step 2: Convert to fraction form
    40,007.58/55,205.73 = 22,101.51/x
  3. Step 3: Cross multiply
    40,007.58x = 55,205.73 × 22,101.51
  4. Step 4: Simplify right side
    40,007.58x = 1,220,129,993.65
  5. Step 5: Solve for x
    x = 1,220,129,993.65/40,007.58
  6. Step 6: Final answer
    x = 30,497.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.