Home / 38,221.95-52,731.81-28,174.44

Finding the Fourth Proportional to 38,221.95, 52,731.81 and 28,174.44

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Solution

The fourth proportional to 38,221.95, 52,731.81 and 28,174.44 is: 38,870.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,221.95 : 52,731.81 = 28,174.44 : x
  2. Step 2: Convert to fraction form
    38,221.95/52,731.81 = 28,174.44/x
  3. Step 3: Cross multiply
    38,221.95x = 52,731.81 × 28,174.44
  4. Step 4: Simplify right side
    38,221.95x = 1,485,689,216.94
  5. Step 5: Solve for x
    x = 1,485,689,216.94/38,221.95
  6. Step 6: Final answer
    x = 38,870.05

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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.