Home / 50,695.83-69,954.12-28,031.76

Finding the Fourth Proportional to 50,695.83, 69,954.12 and 28,031.76

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Solution

The fourth proportional to 50,695.83, 69,954.12 and 28,031.76 is: 38,680.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,695.83 : 69,954.12 = 28,031.76 : x
  2. Step 2: Convert to fraction form
    50,695.83/69,954.12 = 28,031.76/x
  3. Step 3: Cross multiply
    50,695.83x = 69,954.12 × 28,031.76
  4. Step 4: Simplify right side
    50,695.83x = 1,960,937,102.85
  5. Step 5: Solve for x
    x = 1,960,937,102.85/50,695.83
  6. Step 6: Final answer
    x = 38,680.44

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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.