Home / 50,500.90-69,688.11-27,840.09

Finding the Fourth Proportional to 50,500.90, 69,688.11 and 27,840.09

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Solution

The fourth proportional to 50,500.90, 69,688.11 and 27,840.09 is: 38,417.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,500.90 : 69,688.11 = 27,840.09 : x
  2. Step 2: Convert to fraction form
    50,500.90/69,688.11 = 27,840.09/x
  3. Step 3: Cross multiply
    50,500.90x = 69,688.11 × 27,840.09
  4. Step 4: Simplify right side
    50,500.90x = 1,940,123,254.33
  5. Step 5: Solve for x
    x = 1,940,123,254.33/50,500.90
  6. Step 6: Final answer
    x = 38,417.60

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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.