Home / 75,218.32-112,827.60-19,058.44

Finding the Fourth Proportional to 75,218.32, 112,827.60 and 19,058.44

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Solution

The fourth proportional to 75,218.32, 112,827.60 and 19,058.44 is: 28,587.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,218.32 : 112,827.60 = 19,058.44 : x
  2. Step 2: Convert to fraction form
    75,218.32/112,827.60 = 19,058.44/x
  3. Step 3: Cross multiply
    75,218.32x = 112,827.60 × 19,058.44
  4. Step 4: Simplify right side
    75,218.32x = 2,150,318,044.94
  5. Step 5: Solve for x
    x = 2,150,318,044.94/75,218.32
  6. Step 6: Final answer
    x = 28,587.69

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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.