Home / 32,765.25-49,155.30-11,988.75

Finding the Fourth Proportional to 32,765.25, 49,155.30 and 11,988.75

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Solution

The fourth proportional to 32,765.25, 49,155.30 and 11,988.75 is: 17,985.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,765.25 : 49,155.30 = 11,988.75 : x
  2. Step 2: Convert to fraction form
    32,765.25/49,155.30 = 11,988.75/x
  3. Step 3: Cross multiply
    32,765.25x = 49,155.30 × 11,988.75
  4. Step 4: Simplify right side
    32,765.25x = 589,310,602.88
  5. Step 5: Solve for x
    x = 589,310,602.88/32,765.25
  6. Step 6: Final answer
    x = 17,985.84

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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.