Home / 38,967.44-58,442.16-18,976.28

Finding the Fourth Proportional to 38,967.44, 58,442.16 and 18,976.28

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Solution

The fourth proportional to 38,967.44, 58,442.16 and 18,976.28 is: 28,460.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,967.44 : 58,442.16 = 18,976.28 : x
  2. Step 2: Convert to fraction form
    38,967.44/58,442.16 = 18,976.28/x
  3. Step 3: Cross multiply
    38,967.44x = 58,442.16 × 18,976.28
  4. Step 4: Simplify right side
    38,967.44x = 1,109,014,791.96
  5. Step 5: Solve for x
    x = 1,109,014,791.96/38,967.44
  6. Step 6: Final answer
    x = 28,460.04

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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.