Home / 40,109.24-55,350.75-22,205.40

Finding the Fourth Proportional to 40,109.24, 55,350.75 and 22,205.40

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Solution

The fourth proportional to 40,109.24, 55,350.75 and 22,205.40 is: 30,643.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,109.24 : 55,350.75 = 22,205.40 : x
  2. Step 2: Convert to fraction form
    40,109.24/55,350.75 = 22,205.40/x
  3. Step 3: Cross multiply
    40,109.24x = 55,350.75 × 22,205.40
  4. Step 4: Simplify right side
    40,109.24x = 1,229,085,349.38
  5. Step 5: Solve for x
    x = 1,229,085,349.38/40,109.24
  6. Step 6: Final answer
    x = 30,643.45

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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.