Home / 32,651.08-45,055.34-18,311.49

Finding the Fourth Proportional to 32,651.08, 45,055.34 and 18,311.49

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Solution

The fourth proportional to 32,651.08, 45,055.34 and 18,311.49 is: 25,268.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,651.08 : 45,055.34 = 18,311.49 : x
  2. Step 2: Convert to fraction form
    32,651.08/45,055.34 = 18,311.49/x
  3. Step 3: Cross multiply
    32,651.08x = 45,055.34 × 18,311.49
  4. Step 4: Simplify right side
    32,651.08x = 825,030,316.30
  5. Step 5: Solve for x
    x = 825,030,316.30/32,651.08
  6. Step 6: Final answer
    x = 25,268.09

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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.