Home / 39,981.76-55,174.46-22,076.37

Finding the Fourth Proportional to 39,981.76, 55,174.46 and 22,076.37

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Solution

The fourth proportional to 39,981.76, 55,174.46 and 22,076.37 is: 30,465.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,981.76 : 55,174.46 = 22,076.37 : x
  2. Step 2: Convert to fraction form
    39,981.76/55,174.46 = 22,076.37/x
  3. Step 3: Cross multiply
    39,981.76x = 55,174.46 × 22,076.37
  4. Step 4: Simplify right side
    39,981.76x = 1,218,051,683.13
  5. Step 5: Solve for x
    x = 1,218,051,683.13/39,981.76
  6. Step 6: Final answer
    x = 30,465.19

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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.