Home / 53,223.42-79,866.03-19,966.62

Finding the Fourth Proportional to 53,223.42, 79,866.03 and 19,966.62

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Solution

The fourth proportional to 53,223.42, 79,866.03 and 19,966.62 is: 29,961.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,223.42 : 79,866.03 = 19,966.62 : x
  2. Step 2: Convert to fraction form
    53,223.42/79,866.03 = 19,966.62/x
  3. Step 3: Cross multiply
    53,223.42x = 79,866.03 × 19,966.62
  4. Step 4: Simplify right side
    53,223.42x = 1,594,654,671.92
  5. Step 5: Solve for x
    x = 1,594,654,671.92/53,223.42
  6. Step 6: Final answer
    x = 29,961.52

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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.