Home / 56,712.25-85,058.05-16,722.96

Finding the Fourth Proportional to 56,712.25, 85,058.05 and 16,722.96

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Solution

The fourth proportional to 56,712.25, 85,058.05 and 16,722.96 is: 25,081.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,712.25 : 85,058.05 = 16,722.96 : x
  2. Step 2: Convert to fraction form
    56,712.25/85,058.05 = 16,722.96/x
  3. Step 3: Cross multiply
    56,712.25x = 85,058.05 × 16,722.96
  4. Step 4: Simplify right side
    56,712.25x = 1,422,422,038.41
  5. Step 5: Solve for x
    x = 1,422,422,038.41/56,712.25
  6. Step 6: Final answer
    x = 25,081.39

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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.