Home / 51,158.66-76,737.45-19,993.64

Finding the Fourth Proportional to 51,158.66, 76,737.45 and 19,993.64

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Solution

The fourth proportional to 51,158.66, 76,737.45 and 19,993.64 is: 29,990.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,158.66 : 76,737.45 = 19,993.64 : x
  2. Step 2: Convert to fraction form
    51,158.66/76,737.45 = 19,993.64/x
  3. Step 3: Cross multiply
    51,158.66x = 76,737.45 × 19,993.64
  4. Step 4: Simplify right side
    51,158.66x = 1,534,261,016.52
  5. Step 5: Solve for x
    x = 1,534,261,016.52/51,158.66
  6. Step 6: Final answer
    x = 29,990.25

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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.