Home / 39,159.29-54,039.66-22,163.06

Finding the Fourth Proportional to 39,159.29, 54,039.66 and 22,163.06

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Solution

The fourth proportional to 39,159.29, 54,039.66 and 22,163.06 is: 30,584.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,159.29 : 54,039.66 = 22,163.06 : x
  2. Step 2: Convert to fraction form
    39,159.29/54,039.66 = 22,163.06/x
  3. Step 3: Cross multiply
    39,159.29x = 54,039.66 × 22,163.06
  4. Step 4: Simplify right side
    39,159.29x = 1,197,683,956.76
  5. Step 5: Solve for x
    x = 1,197,683,956.76/39,159.29
  6. Step 6: Final answer
    x = 30,584.93

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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.