Home / 32,869.53-45,363.25-20,131.02

Finding the Fourth Proportional to 32,869.53, 45,363.25 and 20,131.02

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Solution

The fourth proportional to 32,869.53, 45,363.25 and 20,131.02 is: 27,782.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,869.53 : 45,363.25 = 20,131.02 : x
  2. Step 2: Convert to fraction form
    32,869.53/45,363.25 = 20,131.02/x
  3. Step 3: Cross multiply
    32,869.53x = 45,363.25 × 20,131.02
  4. Step 4: Simplify right side
    32,869.53x = 913,208,493.02
  5. Step 5: Solve for x
    x = 913,208,493.02/32,869.53
  6. Step 6: Final answer
    x = 27,782.83

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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.