Home / 32,208.80-48,248.40-21,711.20

Finding the Fourth Proportional to 32,208.80, 48,248.40 and 21,711.20

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Solution

The fourth proportional to 32,208.80, 48,248.40 and 21,711.20 is: 32,523.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,208.80 : 48,248.40 = 21,711.20 : x
  2. Step 2: Convert to fraction form
    32,208.80/48,248.40 = 21,711.20/x
  3. Step 3: Cross multiply
    32,208.80x = 48,248.40 × 21,711.20
  4. Step 4: Simplify right side
    32,208.80x = 1,047,530,662.08
  5. Step 5: Solve for x
    x = 1,047,530,662.08/32,208.80
  6. Step 6: Final answer
    x = 32,523.12

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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.