Home / 38,473.08-57,719.34-11,818.32

Finding the Fourth Proportional to 38,473.08, 57,719.34 and 11,818.32

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Solution

The fourth proportional to 38,473.08, 57,719.34 and 11,818.32 is: 17,730.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,473.08 : 57,719.34 = 11,818.32 : x
  2. Step 2: Convert to fraction form
    38,473.08/57,719.34 = 11,818.32/x
  3. Step 3: Cross multiply
    38,473.08x = 57,719.34 × 11,818.32
  4. Step 4: Simplify right side
    38,473.08x = 682,145,630.31
  5. Step 5: Solve for x
    x = 682,145,630.31/38,473.08
  6. Step 6: Final answer
    x = 17,730.47

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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.