Home / 39,822.40-59,704.80-16,436.80

Finding the Fourth Proportional to 39,822.40, 59,704.80 and 16,436.80

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Solution

The fourth proportional to 39,822.40, 59,704.80 and 16,436.80 is: 24,643.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,822.40 : 59,704.80 = 16,436.80 : x
  2. Step 2: Convert to fraction form
    39,822.40/59,704.80 = 16,436.80/x
  3. Step 3: Cross multiply
    39,822.40x = 59,704.80 × 16,436.80
  4. Step 4: Simplify right side
    39,822.40x = 981,355,856.64
  5. Step 5: Solve for x
    x = 981,355,856.64/39,822.40
  6. Step 6: Final answer
    x = 24,643.31

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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.