Home / 50,285.76-75,460.40-28,113.68

Finding the Fourth Proportional to 50,285.76, 75,460.40 and 28,113.68

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Solution

The fourth proportional to 50,285.76, 75,460.40 and 28,113.68 is: 42,188.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,285.76 : 75,460.40 = 28,113.68 : x
  2. Step 2: Convert to fraction form
    50,285.76/75,460.40 = 28,113.68/x
  3. Step 3: Cross multiply
    50,285.76x = 75,460.40 × 28,113.68
  4. Step 4: Simplify right side
    50,285.76x = 2,121,469,538.27
  5. Step 5: Solve for x
    x = 2,121,469,538.27/50,285.76
  6. Step 6: Final answer
    x = 42,188.28

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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.