Home / 39,182.66-54,072.71-22,186.45

Finding the Fourth Proportional to 39,182.66, 54,072.71 and 22,186.45

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Solution

The fourth proportional to 39,182.66, 54,072.71 and 22,186.45 is: 30,617.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,182.66 : 54,072.71 = 22,186.45 : x
  2. Step 2: Convert to fraction form
    39,182.66/54,072.71 = 22,186.45/x
  3. Step 3: Cross multiply
    39,182.66x = 54,072.71 × 22,186.45
  4. Step 4: Simplify right side
    39,182.66x = 1,199,681,476.78
  5. Step 5: Solve for x
    x = 1,199,681,476.78/39,182.66
  6. Step 6: Final answer
    x = 30,617.67

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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.