Home / 52,890.64-79,285.39-19,601.78

Finding the Fourth Proportional to 52,890.64, 79,285.39 and 19,601.78

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Solution

The fourth proportional to 52,890.64, 79,285.39 and 19,601.78 is: 29,383.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,890.64 : 79,285.39 = 19,601.78 : x
  2. Step 2: Convert to fraction form
    52,890.64/79,285.39 = 19,601.78/x
  3. Step 3: Cross multiply
    52,890.64x = 79,285.39 × 19,601.78
  4. Step 4: Simplify right side
    52,890.64x = 1,554,134,326.56
  5. Step 5: Solve for x
    x = 1,554,134,326.56/52,890.64
  6. Step 6: Final answer
    x = 29,383.92

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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.