Home / 37,764.16-52,115.52-20,998.08

Finding the Fourth Proportional to 37,764.16, 52,115.52 and 20,998.08

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Solution

The fourth proportional to 37,764.16, 52,115.52 and 20,998.08 is: 28,977.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,764.16 : 52,115.52 = 20,998.08 : x
  2. Step 2: Convert to fraction form
    37,764.16/52,115.52 = 20,998.08/x
  3. Step 3: Cross multiply
    37,764.16x = 52,115.52 × 20,998.08
  4. Step 4: Simplify right side
    37,764.16x = 1,094,325,858.20
  5. Step 5: Solve for x
    x = 1,094,325,858.20/37,764.16
  6. Step 6: Final answer
    x = 28,977.89

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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.