Home / 29,345.60-43,996.80-19,962.20

Finding the Fourth Proportional to 29,345.60, 43,996.80 and 19,962.20

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Solution

The fourth proportional to 29,345.60, 43,996.80 and 19,962.20 is: 29,928.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,345.60 : 43,996.80 = 19,962.20 : x
  2. Step 2: Convert to fraction form
    29,345.60/43,996.80 = 19,962.20/x
  3. Step 3: Cross multiply
    29,345.60x = 43,996.80 × 19,962.20
  4. Step 4: Simplify right side
    29,345.60x = 878,272,920.96
  5. Step 5: Solve for x
    x = 878,272,920.96/29,345.60
  6. Step 6: Final answer
    x = 29,928.61

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1.5x scale

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.