Home / 32,761.13-45,214.00-20,185.88

Finding the Fourth Proportional to 32,761.13, 45,214.00 and 20,185.88

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Solution

The fourth proportional to 32,761.13, 45,214.00 and 20,185.88 is: 27,858.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,761.13 : 45,214.00 = 20,185.88 : x
  2. Step 2: Convert to fraction form
    32,761.13/45,214.00 = 20,185.88/x
  3. Step 3: Cross multiply
    32,761.13x = 45,214.00 × 20,185.88
  4. Step 4: Simplify right side
    32,761.13x = 912,684,101.79
  5. Step 5: Solve for x
    x = 912,684,101.79/32,761.13
  6. Step 6: Final answer
    x = 27,858.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.