Home / 38,187.08-52,698.44-21,191.38

Finding the Fourth Proportional to 38,187.08, 52,698.44 and 21,191.38

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Solution

The fourth proportional to 38,187.08, 52,698.44 and 21,191.38 is: 29,244.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,187.08 : 52,698.44 = 21,191.38 : x
  2. Step 2: Convert to fraction form
    38,187.08/52,698.44 = 21,191.38/x
  3. Step 3: Cross multiply
    38,187.08x = 52,698.44 × 21,191.38
  4. Step 4: Simplify right side
    38,187.08x = 1,116,752,667.45
  5. Step 5: Solve for x
    x = 1,116,752,667.45/38,187.08
  6. Step 6: Final answer
    x = 29,244.25

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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.