Home / 39,971.48-55,159.62-22,066.12

Finding the Fourth Proportional to 39,971.48, 55,159.62 and 22,066.12

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Solution

The fourth proportional to 39,971.48, 55,159.62 and 22,066.12 is: 30,450.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,971.48 : 55,159.62 = 22,066.12 : x
  2. Step 2: Convert to fraction form
    39,971.48/55,159.62 = 22,066.12/x
  3. Step 3: Cross multiply
    39,971.48x = 55,159.62 × 22,066.12
  4. Step 4: Simplify right side
    39,971.48x = 1,217,158,780.28
  5. Step 5: Solve for x
    x = 1,217,158,780.28/39,971.48
  6. Step 6: Final answer
    x = 30,450.68

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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.