Home / 38,504.52-53,143.20-22,381.56

Finding the Fourth Proportional to 38,504.52, 53,143.20 and 22,381.56

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Solution

The fourth proportional to 38,504.52, 53,143.20 and 22,381.56 is: 30,890.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,504.52 : 53,143.20 = 22,381.56 : x
  2. Step 2: Convert to fraction form
    38,504.52/53,143.20 = 22,381.56/x
  3. Step 3: Cross multiply
    38,504.52x = 53,143.20 × 22,381.56
  4. Step 4: Simplify right side
    38,504.52x = 1,189,427,719.39
  5. Step 5: Solve for x
    x = 1,189,427,719.39/38,504.52
  6. Step 6: Final answer
    x = 30,890.60

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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.