Home / 39,971.89-55,159.76-22,066.51

Finding the Fourth Proportional to 39,971.89, 55,159.76 and 22,066.51

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Solution

The fourth proportional to 39,971.89, 55,159.76 and 22,066.51 is: 30,450.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,971.89 : 55,159.76 = 22,066.51 : x
  2. Step 2: Convert to fraction form
    39,971.89/55,159.76 = 22,066.51/x
  3. Step 3: Cross multiply
    39,971.89x = 55,159.76 × 22,066.51
  4. Step 4: Simplify right side
    39,971.89x = 1,217,183,292.20
  5. Step 5: Solve for x
    x = 1,217,183,292.20/39,971.89
  6. Step 6: Final answer
    x = 30,450.98

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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.