Home / 39,156.44-54,036.69-22,160.67

Finding the Fourth Proportional to 39,156.44, 54,036.69 and 22,160.67

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Solution

The fourth proportional to 39,156.44, 54,036.69 and 22,160.67 is: 30,582.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,156.44 : 54,036.69 = 22,160.67 : x
  2. Step 2: Convert to fraction form
    39,156.44/54,036.69 = 22,160.67/x
  3. Step 3: Cross multiply
    39,156.44x = 54,036.69 × 22,160.67
  4. Step 4: Simplify right side
    39,156.44x = 1,197,489,273.20
  5. Step 5: Solve for x
    x = 1,197,489,273.20/39,156.44
  6. Step 6: Final answer
    x = 30,582.18

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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.