Home / 37,778.28-52,130.81-21,863.72

Finding the Fourth Proportional to 37,778.28, 52,130.81 and 21,863.72

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Solution

The fourth proportional to 37,778.28, 52,130.81 and 21,863.72 is: 30,170.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,778.28 : 52,130.81 = 21,863.72 : x
  2. Step 2: Convert to fraction form
    37,778.28/52,130.81 = 21,863.72/x
  3. Step 3: Cross multiply
    37,778.28x = 52,130.81 × 21,863.72
  4. Step 4: Simplify right side
    37,778.28x = 1,139,773,227.22
  5. Step 5: Solve for x
    x = 1,139,773,227.22/37,778.28
  6. Step 6: Final answer
    x = 30,170.07

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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.