Home / 59,932.80-89,899.26-20,490.24

Finding the Fourth Proportional to 59,932.80, 89,899.26 and 20,490.24

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Solution

The fourth proportional to 59,932.80, 89,899.26 and 20,490.24 is: 30,735.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,932.80 : 89,899.26 = 20,490.24 : x
  2. Step 2: Convert to fraction form
    59,932.80/89,899.26 = 20,490.24/x
  3. Step 3: Cross multiply
    59,932.80x = 89,899.26 × 20,490.24
  4. Step 4: Simplify right side
    59,932.80x = 1,842,057,413.22
  5. Step 5: Solve for x
    x = 1,842,057,413.22/59,932.80
  6. Step 6: Final answer
    x = 30,735.38

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Double scale
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Similar ratio
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1.5x scale

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.