Home / 29,058.72-43,530.90-19,167.78

Finding the Fourth Proportional to 29,058.72, 43,530.90 and 19,167.78

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Solution

The fourth proportional to 29,058.72, 43,530.90 and 19,167.78 is: 28,713.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,058.72 : 43,530.90 = 19,167.78 : x
  2. Step 2: Convert to fraction form
    29,058.72/43,530.90 = 19,167.78/x
  3. Step 3: Cross multiply
    29,058.72x = 43,530.90 × 19,167.78
  4. Step 4: Simplify right side
    29,058.72x = 834,390,714.40
  5. Step 5: Solve for x
    x = 834,390,714.40/29,058.72
  6. Step 6: Final answer
    x = 28,713.95

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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.