Home / 56,243.60-84,366.40-16,801.20

Finding the Fourth Proportional to 56,243.60, 84,366.40 and 16,801.20

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Solution

The fourth proportional to 56,243.60, 84,366.40 and 16,801.20 is: 25,202.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,243.60 : 84,366.40 = 16,801.20 : x
  2. Step 2: Convert to fraction form
    56,243.60/84,366.40 = 16,801.20/x
  3. Step 3: Cross multiply
    56,243.60x = 84,366.40 × 16,801.20
  4. Step 4: Simplify right side
    56,243.60x = 1,417,456,759.68
  5. Step 5: Solve for x
    x = 1,417,456,759.68/56,243.60
  6. Step 6: Final answer
    x = 25,202.10

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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.