Home / 50,849.51-70,171.11-28,188.09

Finding the Fourth Proportional to 50,849.51, 70,171.11 and 28,188.09

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Solution

The fourth proportional to 50,849.51, 70,171.11 and 28,188.09 is: 38,898.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,849.51 : 70,171.11 = 28,188.09 : x
  2. Step 2: Convert to fraction form
    50,849.51/70,171.11 = 28,188.09/x
  3. Step 3: Cross multiply
    50,849.51x = 70,171.11 × 28,188.09
  4. Step 4: Simplify right side
    50,849.51x = 1,977,989,564.08
  5. Step 5: Solve for x
    x = 1,977,989,564.08/50,849.51
  6. Step 6: Final answer
    x = 38,898.90

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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.