Home / 29,079.20-43,618.80-17,998.40

Finding the Fourth Proportional to 29,079.20, 43,618.80 and 17,998.40

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Solution

The fourth proportional to 29,079.20, 43,618.80 and 17,998.40 is: 26,997.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,079.20 : 43,618.80 = 17,998.40 : x
  2. Step 2: Convert to fraction form
    29,079.20/43,618.80 = 17,998.40/x
  3. Step 3: Cross multiply
    29,079.20x = 43,618.80 × 17,998.40
  4. Step 4: Simplify right side
    29,079.20x = 785,068,609.92
  5. Step 5: Solve for x
    x = 785,068,609.92/29,079.20
  6. Step 6: Final answer
    x = 26,997.60

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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.