Home / 39,971.04-55,160.32-22,066.60

Finding the Fourth Proportional to 39,971.04, 55,160.32 and 22,066.60

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Solution

The fourth proportional to 39,971.04, 55,160.32 and 22,066.60 is: 30,452.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,971.04 : 55,160.32 = 22,066.60 : x
  2. Step 2: Convert to fraction form
    39,971.04/55,160.32 = 22,066.60/x
  3. Step 3: Cross multiply
    39,971.04x = 55,160.32 × 22,066.60
  4. Step 4: Simplify right side
    39,971.04x = 1,217,200,717.31
  5. Step 5: Solve for x
    x = 1,217,200,717.31/39,971.04
  6. Step 6: Final answer
    x = 30,452.07

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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.