Home / 29,320.40-43,894.20-19,470.80

Finding the Fourth Proportional to 29,320.40, 43,894.20 and 19,470.80

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Solution

The fourth proportional to 29,320.40, 43,894.20 and 19,470.80 is: 29,148.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,320.40 : 43,894.20 = 19,470.80 : x
  2. Step 2: Convert to fraction form
    29,320.40/43,894.20 = 19,470.80/x
  3. Step 3: Cross multiply
    29,320.40x = 43,894.20 × 19,470.80
  4. Step 4: Simplify right side
    29,320.40x = 854,655,189.36
  5. Step 5: Solve for x
    x = 854,655,189.36/29,320.40
  6. Step 6: Final answer
    x = 29,148.82

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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.