Home / 39,864.80-59,732.40-33,255.20

Finding the Fourth Proportional to 39,864.80, 59,732.40 and 33,255.20

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Solution

The fourth proportional to 39,864.80, 59,732.40 and 33,255.20 is: 49,828.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,864.80 : 59,732.40 = 33,255.20 : x
  2. Step 2: Convert to fraction form
    39,864.80/59,732.40 = 33,255.20/x
  3. Step 3: Cross multiply
    39,864.80x = 59,732.40 × 33,255.20
  4. Step 4: Simplify right side
    39,864.80x = 1,986,412,908.48
  5. Step 5: Solve for x
    x = 1,986,412,908.48/39,864.80
  6. Step 6: Final answer
    x = 49,828.74

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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.