Home / 39,182.70-54,071.37-22,185.66

Finding the Fourth Proportional to 39,182.70, 54,071.37 and 22,185.66

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Solution

The fourth proportional to 39,182.70, 54,071.37 and 22,185.66 is: 30,615.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,182.70 : 54,071.37 = 22,185.66 : x
  2. Step 2: Convert to fraction form
    39,182.70/54,071.37 = 22,185.66/x
  3. Step 3: Cross multiply
    39,182.70x = 54,071.37 × 22,185.66
  4. Step 4: Simplify right side
    39,182.70x = 1,199,609,030.55
  5. Step 5: Solve for x
    x = 1,199,609,030.55/39,182.70
  6. Step 6: Final answer
    x = 30,615.78

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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.