Home / 50,932.30-70,286.20-28,270.51

Finding the Fourth Proportional to 50,932.30, 70,286.20 and 28,270.51

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Solution

The fourth proportional to 50,932.30, 70,286.20 and 28,270.51 is: 39,013.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,932.30 : 70,286.20 = 28,270.51 : x
  2. Step 2: Convert to fraction form
    50,932.30/70,286.20 = 28,270.51/x
  3. Step 3: Cross multiply
    50,932.30x = 70,286.20 × 28,270.51
  4. Step 4: Simplify right side
    50,932.30x = 1,987,026,719.96
  5. Step 5: Solve for x
    x = 1,987,026,719.96/50,932.30
  6. Step 6: Final answer
    x = 39,013.10

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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.