Home / 37,778.00-52,135.71-21,867.57

Finding the Fourth Proportional to 37,778.00, 52,135.71 and 21,867.57

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Solution

The fourth proportional to 37,778.00, 52,135.71 and 21,867.57 is: 30,178.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,778.00 : 52,135.71 = 21,867.57 : x
  2. Step 2: Convert to fraction form
    37,778.00/52,135.71 = 21,867.57/x
  3. Step 3: Cross multiply
    37,778.00x = 52,135.71 × 21,867.57
  4. Step 4: Simplify right side
    37,778.00x = 1,140,081,565.44
  5. Step 5: Solve for x
    x = 1,140,081,565.44/37,778.00
  6. Step 6: Final answer
    x = 30,178.45

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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.