Home / 39,941.04-55,120.42-22,950.78

Finding the Fourth Proportional to 39,941.04, 55,120.42 and 22,950.78

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Solution

The fourth proportional to 39,941.04, 55,120.42 and 22,950.78 is: 31,673.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,941.04 : 55,120.42 = 22,950.78 : x
  2. Step 2: Convert to fraction form
    39,941.04/55,120.42 = 22,950.78/x
  3. Step 3: Cross multiply
    39,941.04x = 55,120.42 × 22,950.78
  4. Step 4: Simplify right side
    39,941.04x = 1,265,056,632.93
  5. Step 5: Solve for x
    x = 1,265,056,632.93/39,941.04
  6. Step 6: Final answer
    x = 31,673.10

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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.