Home / 38,298.88-57,448.32-12,003.76

Finding the Fourth Proportional to 38,298.88, 57,448.32 and 12,003.76

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Solution

The fourth proportional to 38,298.88, 57,448.32 and 12,003.76 is: 18,005.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,298.88 : 57,448.32 = 12,003.76 : x
  2. Step 2: Convert to fraction form
    38,298.88/57,448.32 = 12,003.76/x
  3. Step 3: Cross multiply
    38,298.88x = 57,448.32 × 12,003.76
  4. Step 4: Simplify right side
    38,298.88x = 689,595,845.68
  5. Step 5: Solve for x
    x = 689,595,845.68/38,298.88
  6. Step 6: Final answer
    x = 18,005.64

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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.