Home / 31,285.57-46,934.48-13,755.34

Finding the Fourth Proportional to 31,285.57, 46,934.48 and 13,755.34

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Solution

The fourth proportional to 31,285.57, 46,934.48 and 13,755.34 is: 20,635.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,285.57 : 46,934.48 = 13,755.34 : x
  2. Step 2: Convert to fraction form
    31,285.57/46,934.48 = 13,755.34/x
  3. Step 3: Cross multiply
    31,285.57x = 46,934.48 × 13,755.34
  4. Step 4: Simplify right side
    31,285.57x = 645,599,730.12
  5. Step 5: Solve for x
    x = 645,599,730.12/31,285.57
  6. Step 6: Final answer
    x = 20,635.70

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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.