Home / 40,066.05-55,289.77-22,161

Finding the Fourth Proportional to 40,066.05, 55,289.77 and 22,161

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Solution

The fourth proportional to 40,066.05, 55,289.77 and 22,161 is: 30,581.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,066.05 : 55,289.77 = 22,161 : x
  2. Step 2: Convert to fraction form
    40,066.05/55,289.77 = 22,161/x
  3. Step 3: Cross multiply
    40,066.05x = 55,289.77 × 22,161
  4. Step 4: Simplify right side
    40,066.05x = 1,225,276,592.97
  5. Step 5: Solve for x
    x = 1,225,276,592.97/40,066.05
  6. Step 6: Final answer
    x = 30,581.42

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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.