Home / 31,377.52-46,948.64-18,680.83

Finding the Fourth Proportional to 31,377.52, 46,948.64 and 18,680.83

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Solution

The fourth proportional to 31,377.52, 46,948.64 and 18,680.83 is: 27,951.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,377.52 : 46,948.64 = 18,680.83 : x
  2. Step 2: Convert to fraction form
    31,377.52/46,948.64 = 18,680.83/x
  3. Step 3: Cross multiply
    31,377.52x = 46,948.64 × 18,680.83
  4. Step 4: Simplify right side
    31,377.52x = 877,039,562.57
  5. Step 5: Solve for x
    x = 877,039,562.57/31,377.52
  6. Step 6: Final answer
    x = 27,951.21

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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.