Home / 39,971.60-55,160.09-22,066.22

Finding the Fourth Proportional to 39,971.60, 55,160.09 and 22,066.22

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Solution

The fourth proportional to 39,971.60, 55,160.09 and 22,066.22 is: 30,450.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,971.60 : 55,160.09 = 22,066.22 : x
  2. Step 2: Convert to fraction form
    39,971.60/55,160.09 = 22,066.22/x
  3. Step 3: Cross multiply
    39,971.60x = 55,160.09 × 22,066.22
  4. Step 4: Simplify right side
    39,971.60x = 1,217,174,791.48
  5. Step 5: Solve for x
    x = 1,217,174,791.48/39,971.60
  6. Step 6: Final answer
    x = 30,450.99

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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.