Home / 50,031.20-69,044.70-28,520.56

Finding the Fourth Proportional to 50,031.20, 69,044.70 and 28,520.56

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Solution

The fourth proportional to 50,031.20, 69,044.70 and 28,520.56 is: 39,359.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,031.20 : 69,044.70 = 28,520.56 : x
  2. Step 2: Convert to fraction form
    50,031.20/69,044.70 = 28,520.56/x
  3. Step 3: Cross multiply
    50,031.20x = 69,044.70 × 28,520.56
  4. Step 4: Simplify right side
    50,031.20x = 1,969,193,509.03
  5. Step 5: Solve for x
    x = 1,969,193,509.03/50,031.20
  6. Step 6: Final answer
    x = 39,359.31

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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.