Home / 56,202.60-84,336.30-21,167.40

Finding the Fourth Proportional to 56,202.60, 84,336.30 and 21,167.40

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Solution

The fourth proportional to 56,202.60, 84,336.30 and 21,167.40 is: 31,763.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,202.60 : 84,336.30 = 21,167.40 : x
  2. Step 2: Convert to fraction form
    56,202.60/84,336.30 = 21,167.40/x
  3. Step 3: Cross multiply
    56,202.60x = 84,336.30 × 21,167.40
  4. Step 4: Simplify right side
    56,202.60x = 1,785,180,196.62
  5. Step 5: Solve for x
    x = 1,785,180,196.62/56,202.60
  6. Step 6: Final answer
    x = 31,763.30

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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.