Home / 29,008.91-43,439.54-19,118.21

Finding the Fourth Proportional to 29,008.91, 43,439.54 and 19,118.21

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Solution

The fourth proportional to 29,008.91, 43,439.54 and 19,118.21 is: 28,628.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,008.91 : 43,439.54 = 19,118.21 : x
  2. Step 2: Convert to fraction form
    29,008.91/43,439.54 = 19,118.21/x
  3. Step 3: Cross multiply
    29,008.91x = 43,439.54 × 19,118.21
  4. Step 4: Simplify right side
    29,008.91x = 830,485,935.23
  5. Step 5: Solve for x
    x = 830,485,935.23/29,008.91
  6. Step 6: Final answer
    x = 28,628.65

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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.