Home / 29,158.20-40,230.54-19,710.36

Finding the Fourth Proportional to 29,158.20, 40,230.54 and 19,710.36

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Solution

The fourth proportional to 29,158.20, 40,230.54 and 19,710.36 is: 27,195.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,158.20 : 40,230.54 = 19,710.36 : x
  2. Step 2: Convert to fraction form
    29,158.20/40,230.54 = 19,710.36/x
  3. Step 3: Cross multiply
    29,158.20x = 40,230.54 × 19,710.36
  4. Step 4: Simplify right side
    29,158.20x = 792,958,426.39
  5. Step 5: Solve for x
    x = 792,958,426.39/29,158.20
  6. Step 6: Final answer
    x = 27,195.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.