Home / 39,968.80-55,157.32-22,063.42

Finding the Fourth Proportional to 39,968.80, 55,157.32 and 22,063.42

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Solution

The fourth proportional to 39,968.80, 55,157.32 and 22,063.42 is: 30,447.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,968.80 : 55,157.32 = 22,063.42 : x
  2. Step 2: Convert to fraction form
    39,968.80/55,157.32 = 22,063.42/x
  3. Step 3: Cross multiply
    39,968.80x = 55,157.32 × 22,063.42
  4. Step 4: Simplify right side
    39,968.80x = 1,216,959,117.23
  5. Step 5: Solve for x
    x = 1,216,959,117.23/39,968.80
  6. Step 6: Final answer
    x = 30,447.73

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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.