Home / 50,738.18-70,017.64-28,077.15

Finding the Fourth Proportional to 50,738.18, 70,017.64 and 28,077.15

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Solution

The fourth proportional to 50,738.18, 70,017.64 and 28,077.15 is: 38,745.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,738.18 : 70,017.64 = 28,077.15 : x
  2. Step 2: Convert to fraction form
    50,738.18/70,017.64 = 28,077.15/x
  3. Step 3: Cross multiply
    50,738.18x = 70,017.64 × 28,077.15
  4. Step 4: Simplify right side
    50,738.18x = 1,965,895,973.30
  5. Step 5: Solve for x
    x = 1,965,895,973.30/50,738.18
  6. Step 6: Final answer
    x = 38,745.89

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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.