Home / 31,554.68-47,355.48-14,919.80

Finding the Fourth Proportional to 31,554.68, 47,355.48 and 14,919.80

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Solution

The fourth proportional to 31,554.68, 47,355.48 and 14,919.80 is: 22,390.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,554.68 : 47,355.48 = 14,919.80 : x
  2. Step 2: Convert to fraction form
    31,554.68/47,355.48 = 14,919.80/x
  3. Step 3: Cross multiply
    31,554.68x = 47,355.48 × 14,919.80
  4. Step 4: Simplify right side
    31,554.68x = 706,534,053.73
  5. Step 5: Solve for x
    x = 706,534,053.73/31,554.68
  6. Step 6: Final answer
    x = 22,390.79

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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.