Home / 39,807.80-59,690.10-16,436.60

Finding the Fourth Proportional to 39,807.80, 59,690.10 and 16,436.60

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Solution

The fourth proportional to 39,807.80, 59,690.10 and 16,436.60 is: 24,645.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,807.80 : 59,690.10 = 16,436.60 : x
  2. Step 2: Convert to fraction form
    39,807.80/59,690.10 = 16,436.60/x
  3. Step 3: Cross multiply
    39,807.80x = 59,690.10 × 16,436.60
  4. Step 4: Simplify right side
    39,807.80x = 981,102,297.66
  5. Step 5: Solve for x
    x = 981,102,297.66/39,807.80
  6. Step 6: Final answer
    x = 24,645.98

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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.