Home / 39,187.23-54,063.11-22,187.55

Finding the Fourth Proportional to 39,187.23, 54,063.11 and 22,187.55

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Solution

The fourth proportional to 39,187.23, 54,063.11 and 22,187.55 is: 30,610.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,187.23 : 54,063.11 = 22,187.55 : x
  2. Step 2: Convert to fraction form
    39,187.23/54,063.11 = 22,187.55/x
  3. Step 3: Cross multiply
    39,187.23x = 54,063.11 × 22,187.55
  4. Step 4: Simplify right side
    39,187.23x = 1,199,528,214.49
  5. Step 5: Solve for x
    x = 1,199,528,214.49/39,187.23
  6. Step 6: Final answer
    x = 30,610.18

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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.