Home / 48,630.26-72,916.20-19,012.82

Finding the Fourth Proportional to 48,630.26, 72,916.20 and 19,012.82

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Solution

The fourth proportional to 48,630.26, 72,916.20 and 19,012.82 is: 28,507.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,630.26 : 72,916.20 = 19,012.82 : x
  2. Step 2: Convert to fraction form
    48,630.26/72,916.20 = 19,012.82/x
  3. Step 3: Cross multiply
    48,630.26x = 72,916.20 × 19,012.82
  4. Step 4: Simplify right side
    48,630.26x = 1,386,342,221.10
  5. Step 5: Solve for x
    x = 1,386,342,221.10/48,630.26
  6. Step 6: Final answer
    x = 28,507.81

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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.