Home / 29,118.54-43,677.82-19,320.42

Finding the Fourth Proportional to 29,118.54, 43,677.82 and 19,320.42

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Solution

The fourth proportional to 29,118.54, 43,677.82 and 19,320.42 is: 28,980.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,118.54 : 43,677.82 = 19,320.42 : x
  2. Step 2: Convert to fraction form
    29,118.54/43,677.82 = 19,320.42/x
  3. Step 3: Cross multiply
    29,118.54x = 43,677.82 × 19,320.42
  4. Step 4: Simplify right side
    29,118.54x = 843,873,827.08
  5. Step 5: Solve for x
    x = 843,873,827.08/29,118.54
  6. Step 6: Final answer
    x = 28,980.64

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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.