Home / 32,329.60-48,436.80-20,003.20

Finding the Fourth Proportional to 32,329.60, 48,436.80 and 20,003.20

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Solution

The fourth proportional to 32,329.60, 48,436.80 and 20,003.20 is: 29,969.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,329.60 : 48,436.80 = 20,003.20 : x
  2. Step 2: Convert to fraction form
    32,329.60/48,436.80 = 20,003.20/x
  3. Step 3: Cross multiply
    32,329.60x = 48,436.80 × 20,003.20
  4. Step 4: Simplify right side
    32,329.60x = 968,890,997.76
  5. Step 5: Solve for x
    x = 968,890,997.76/32,329.60
  6. Step 6: Final answer
    x = 29,969.16

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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.