Home / 40,057.75-55,278.78-22,152.91

Finding the Fourth Proportional to 40,057.75, 55,278.78 and 22,152.91

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Solution

The fourth proportional to 40,057.75, 55,278.78 and 22,152.91 is: 30,570.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,057.75 : 55,278.78 = 22,152.91 : x
  2. Step 2: Convert to fraction form
    40,057.75/55,278.78 = 22,152.91/x
  3. Step 3: Cross multiply
    40,057.75x = 55,278.78 × 22,152.91
  4. Step 4: Simplify right side
    40,057.75x = 1,224,585,838.25
  5. Step 5: Solve for x
    x = 1,224,585,838.25/40,057.75
  6. Step 6: Final answer
    x = 30,570.51

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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.