Home / 39,151.08-54,030.66-22,156.20

Finding the Fourth Proportional to 39,151.08, 54,030.66 and 22,156.20

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Solution

The fourth proportional to 39,151.08, 54,030.66 and 22,156.20 is: 30,576.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,151.08 : 54,030.66 = 22,156.20 : x
  2. Step 2: Convert to fraction form
    39,151.08/54,030.66 = 22,156.20/x
  3. Step 3: Cross multiply
    39,151.08x = 54,030.66 × 22,156.20
  4. Step 4: Simplify right side
    39,151.08x = 1,197,114,109.09
  5. Step 5: Solve for x
    x = 1,197,114,109.09/39,151.08
  6. Step 6: Final answer
    x = 30,576.78

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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.