Home / 38,007.60-57,011.40-11,712.30

Finding the Fourth Proportional to 38,007.60, 57,011.40 and 11,712.30

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Solution

The fourth proportional to 38,007.60, 57,011.40 and 11,712.30 is: 17,568.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,007.60 : 57,011.40 = 11,712.30 : x
  2. Step 2: Convert to fraction form
    38,007.60/57,011.40 = 11,712.30/x
  3. Step 3: Cross multiply
    38,007.60x = 57,011.40 × 11,712.30
  4. Step 4: Simplify right side
    38,007.60x = 667,734,620.22
  5. Step 5: Solve for x
    x = 667,734,620.22/38,007.60
  6. Step 6: Final answer
    x = 17,568.45

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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.