Home / 39,131.20-53,998.56-22,363.84

Finding the Fourth Proportional to 39,131.20, 53,998.56 and 22,363.84

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Solution

The fourth proportional to 39,131.20, 53,998.56 and 22,363.84 is: 30,860.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,131.20 : 53,998.56 = 22,363.84 : x
  2. Step 2: Convert to fraction form
    39,131.20/53,998.56 = 22,363.84/x
  3. Step 3: Cross multiply
    39,131.20x = 53,998.56 × 22,363.84
  4. Step 4: Simplify right side
    39,131.20x = 1,207,615,156.07
  5. Step 5: Solve for x
    x = 1,207,615,156.07/39,131.20
  6. Step 6: Final answer
    x = 30,860.67

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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.