Home / 48,600.32-72,900.96-13,542.56

Finding the Fourth Proportional to 48,600.32, 72,900.96 and 13,542.56

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Solution

The fourth proportional to 48,600.32, 72,900.96 and 13,542.56 is: 20,313.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,600.32 : 72,900.96 = 13,542.56 : x
  2. Step 2: Convert to fraction form
    48,600.32/72,900.96 = 13,542.56/x
  3. Step 3: Cross multiply
    48,600.32x = 72,900.96 × 13,542.56
  4. Step 4: Simplify right side
    48,600.32x = 987,265,624.86
  5. Step 5: Solve for x
    x = 987,265,624.86/48,600.32
  6. Step 6: Final answer
    x = 20,313.97

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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.