Home / 40,110.74-55,352.16-22,205.36

Finding the Fourth Proportional to 40,110.74, 55,352.16 and 22,205.36

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Solution

The fourth proportional to 40,110.74, 55,352.16 and 22,205.36 is: 30,643.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,110.74 : 55,352.16 = 22,205.36 : x
  2. Step 2: Convert to fraction form
    40,110.74/55,352.16 = 22,205.36/x
  3. Step 3: Cross multiply
    40,110.74x = 55,352.16 × 22,205.36
  4. Step 4: Simplify right side
    40,110.74x = 1,229,114,639.58
  5. Step 5: Solve for x
    x = 1,229,114,639.58/40,110.74
  6. Step 6: Final answer
    x = 30,643.03

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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.