Home / 48,617.82-72,927.06-13,557.78

Finding the Fourth Proportional to 48,617.82, 72,927.06 and 13,557.78

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Solution

The fourth proportional to 48,617.82, 72,927.06 and 13,557.78 is: 20,336.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,617.82 : 72,927.06 = 13,557.78 : x
  2. Step 2: Convert to fraction form
    48,617.82/72,927.06 = 13,557.78/x
  3. Step 3: Cross multiply
    48,617.82x = 72,927.06 × 13,557.78
  4. Step 4: Simplify right side
    48,617.82x = 988,729,035.53
  5. Step 5: Solve for x
    x = 988,729,035.53/48,617.82
  6. Step 6: Final answer
    x = 20,336.76

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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.