Home / 29,219.60-43,807.80-19,836.20

Finding the Fourth Proportional to 29,219.60, 43,807.80 and 19,836.20

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Solution

The fourth proportional to 29,219.60, 43,807.80 and 19,836.20 is: 29,739.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,219.60 : 43,807.80 = 19,836.20 : x
  2. Step 2: Convert to fraction form
    29,219.60/43,807.80 = 19,836.20/x
  3. Step 3: Cross multiply
    29,219.60x = 43,807.80 × 19,836.20
  4. Step 4: Simplify right side
    29,219.60x = 868,980,282.36
  5. Step 5: Solve for x
    x = 868,980,282.36/29,219.60
  6. Step 6: Final answer
    x = 29,739.64

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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.