Home / 32,899.08-45,400.16-20,150.28

Finding the Fourth Proportional to 32,899.08, 45,400.16 and 20,150.28

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Solution

The fourth proportional to 32,899.08, 45,400.16 and 20,150.28 is: 27,807.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,899.08 : 45,400.16 = 20,150.28 : x
  2. Step 2: Convert to fraction form
    32,899.08/45,400.16 = 20,150.28/x
  3. Step 3: Cross multiply
    32,899.08x = 45,400.16 × 20,150.28
  4. Step 4: Simplify right side
    32,899.08x = 914,825,936.04
  5. Step 5: Solve for x
    x = 914,825,936.04/32,899.08
  6. Step 6: Final answer
    x = 27,807.04

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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.