Home / 53,292.53-79,909.40-21,694.50

Finding the Fourth Proportional to 53,292.53, 79,909.40 and 21,694.50

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Solution

The fourth proportional to 53,292.53, 79,909.40 and 21,694.50 is: 32,529.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,292.53 : 79,909.40 = 21,694.50 : x
  2. Step 2: Convert to fraction form
    53,292.53/79,909.40 = 21,694.50/x
  3. Step 3: Cross multiply
    53,292.53x = 79,909.40 × 21,694.50
  4. Step 4: Simplify right side
    53,292.53x = 1,733,594,532.54
  5. Step 5: Solve for x
    x = 1,733,594,532.54/53,292.53
  6. Step 6: Final answer
    x = 32,529.78

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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.