Home / 38,910.76-53,697.07-22,143.76

Finding the Fourth Proportional to 38,910.76, 53,697.07 and 22,143.76

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Solution

The fourth proportional to 38,910.76, 53,697.07 and 22,143.76 is: 30,558.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,910.76 : 53,697.07 = 22,143.76 : x
  2. Step 2: Convert to fraction form
    38,910.76/53,697.07 = 22,143.76/x
  3. Step 3: Cross multiply
    38,910.76x = 53,697.07 × 22,143.76
  4. Step 4: Simplify right side
    38,910.76x = 1,189,055,030.78
  5. Step 5: Solve for x
    x = 1,189,055,030.78/38,910.76
  6. Step 6: Final answer
    x = 30,558.51

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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.