Home / 31,204.40-43,058.24-17,775.68

Finding the Fourth Proportional to 31,204.40, 43,058.24 and 17,775.68

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Solution

The fourth proportional to 31,204.40, 43,058.24 and 17,775.68 is: 24,528.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,204.40 : 43,058.24 = 17,775.68 : x
  2. Step 2: Convert to fraction form
    31,204.40/43,058.24 = 17,775.68/x
  3. Step 3: Cross multiply
    31,204.40x = 43,058.24 × 17,775.68
  4. Step 4: Simplify right side
    31,204.40x = 765,389,495.60
  5. Step 5: Solve for x
    x = 765,389,495.60/31,204.40
  6. Step 6: Final answer
    x = 24,528.26

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.