Home / 38,161.60-57,242.40-10,081.60

Finding the Fourth Proportional to 38,161.60, 57,242.40 and 10,081.60

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Solution

The fourth proportional to 38,161.60, 57,242.40 and 10,081.60 is: 15,122.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,161.60 : 57,242.40 = 10,081.60 : x
  2. Step 2: Convert to fraction form
    38,161.60/57,242.40 = 10,081.60/x
  3. Step 3: Cross multiply
    38,161.60x = 57,242.40 × 10,081.60
  4. Step 4: Simplify right side
    38,161.60x = 577,094,979.84
  5. Step 5: Solve for x
    x = 577,094,979.84/38,161.60
  6. Step 6: Final answer
    x = 15,122.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.