Home / 52,719.54-79,089.87-19,439.73

Finding the Fourth Proportional to 52,719.54, 79,089.87 and 19,439.73

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Solution

The fourth proportional to 52,719.54, 79,089.87 and 19,439.73 is: 29,163.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,719.54 : 79,089.87 = 19,439.73 : x
  2. Step 2: Convert to fraction form
    52,719.54/79,089.87 = 19,439.73/x
  3. Step 3: Cross multiply
    52,719.54x = 79,089.87 × 19,439.73
  4. Step 4: Simplify right side
    52,719.54x = 1,537,485,718.54
  5. Step 5: Solve for x
    x = 1,537,485,718.54/52,719.54
  6. Step 6: Final answer
    x = 29,163.49

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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.