Home / 39,474.66-54,456-28,702.83

Finding the Fourth Proportional to 39,474.66, 54,456 and 28,702.83

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Solution

The fourth proportional to 39,474.66, 54,456 and 28,702.83 is: 39,596.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,474.66 : 54,456 = 28,702.83 : x
  2. Step 2: Convert to fraction form
    39,474.66/54,456 = 28,702.83/x
  3. Step 3: Cross multiply
    39,474.66x = 54,456 × 28,702.83
  4. Step 4: Simplify right side
    39,474.66x = 1,563,041,310.48
  5. Step 5: Solve for x
    x = 1,563,041,310.48/39,474.66
  6. Step 6: Final answer
    x = 39,596.07

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.