Home / 33,318.48-45,981.72-19,174.80

Finding the Fourth Proportional to 33,318.48, 45,981.72 and 19,174.80

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Solution

The fourth proportional to 33,318.48, 45,981.72 and 19,174.80 is: 26,462.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,318.48 : 45,981.72 = 19,174.80 : x
  2. Step 2: Convert to fraction form
    33,318.48/45,981.72 = 19,174.80/x
  3. Step 3: Cross multiply
    33,318.48x = 45,981.72 × 19,174.80
  4. Step 4: Simplify right side
    33,318.48x = 881,690,284.66
  5. Step 5: Solve for x
    x = 881,690,284.66/33,318.48
  6. Step 6: Final answer
    x = 26,462.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.