Home / 48,631.27-72,917.70-19,013.82

Finding the Fourth Proportional to 48,631.27, 72,917.70 and 19,013.82

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Solution

The fourth proportional to 48,631.27, 72,917.70 and 19,013.82 is: 28,509.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,631.27 : 72,917.70 = 19,013.82 : x
  2. Step 2: Convert to fraction form
    48,631.27/72,917.70 = 19,013.82/x
  3. Step 3: Cross multiply
    48,631.27x = 72,917.70 × 19,013.82
  4. Step 4: Simplify right side
    48,631.27x = 1,386,443,658.03
  5. Step 5: Solve for x
    x = 1,386,443,658.03/48,631.27
  6. Step 6: Final answer
    x = 28,509.30

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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.