Home / 39,156.18-54,034.75-22,160.11

Finding the Fourth Proportional to 39,156.18, 54,034.75 and 22,160.11

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Solution

The fourth proportional to 39,156.18, 54,034.75 and 22,160.11 is: 30,580.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,156.18 : 54,034.75 = 22,160.11 : x
  2. Step 2: Convert to fraction form
    39,156.18/54,034.75 = 22,160.11/x
  3. Step 3: Cross multiply
    39,156.18x = 54,034.75 × 22,160.11
  4. Step 4: Simplify right side
    39,156.18x = 1,197,416,003.82
  5. Step 5: Solve for x
    x = 1,197,416,003.82/39,156.18
  6. Step 6: Final answer
    x = 30,580.51

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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.