Home / 32,905.08-45,395.10-20,163.24

Finding the Fourth Proportional to 32,905.08, 45,395.10 and 20,163.24

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Solution

The fourth proportional to 32,905.08, 45,395.10 and 20,163.24 is: 27,816.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,905.08 : 45,395.10 = 20,163.24 : x
  2. Step 2: Convert to fraction form
    32,905.08/45,395.10 = 20,163.24/x
  3. Step 3: Cross multiply
    32,905.08x = 45,395.10 × 20,163.24
  4. Step 4: Simplify right side
    32,905.08x = 915,312,296.12
  5. Step 5: Solve for x
    x = 915,312,296.12/32,905.08
  6. Step 6: Final answer
    x = 27,816.75

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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.