Home / 40,224.80-55,505.76-22,315.34

Finding the Fourth Proportional to 40,224.80, 55,505.76 and 22,315.34

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Solution

The fourth proportional to 40,224.80, 55,505.76 and 22,315.34 is: 30,792.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,224.80 : 55,505.76 = 22,315.34 : x
  2. Step 2: Convert to fraction form
    40,224.80/55,505.76 = 22,315.34/x
  3. Step 3: Cross multiply
    40,224.80x = 55,505.76 × 22,315.34
  4. Step 4: Simplify right side
    40,224.80x = 1,238,629,628.83
  5. Step 5: Solve for x
    x = 1,238,629,628.83/40,224.80
  6. Step 6: Final answer
    x = 30,792.69

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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.