Home / 50,910.92-70,256.86-28,253.36

Finding the Fourth Proportional to 50,910.92, 70,256.86 and 28,253.36

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Solution

The fourth proportional to 50,910.92, 70,256.86 and 28,253.36 is: 38,989.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,910.92 : 70,256.86 = 28,253.36 : x
  2. Step 2: Convert to fraction form
    50,910.92/70,256.86 = 28,253.36/x
  3. Step 3: Cross multiply
    50,910.92x = 70,256.86 × 28,253.36
  4. Step 4: Simplify right side
    50,910.92x = 1,984,992,358.05
  5. Step 5: Solve for x
    x = 1,984,992,358.05/50,910.92
  6. Step 6: Final answer
    x = 38,989.52

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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.