Home / 34,031.64-50,989.86-20,856.54

Finding the Fourth Proportional to 34,031.64, 50,989.86 and 20,856.54

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Solution

The fourth proportional to 34,031.64, 50,989.86 and 20,856.54 is: 31,249.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,031.64 : 50,989.86 = 20,856.54 : x
  2. Step 2: Convert to fraction form
    34,031.64/50,989.86 = 20,856.54/x
  3. Step 3: Cross multiply
    34,031.64x = 50,989.86 × 20,856.54
  4. Step 4: Simplify right side
    34,031.64x = 1,063,472,054.68
  5. Step 5: Solve for x
    x = 1,063,472,054.68/34,031.64
  6. Step 6: Final answer
    x = 31,249.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.