Home / 31,114.20-46,671.30-15,529.80

Finding the Fourth Proportional to 31,114.20, 46,671.30 and 15,529.80

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Solution

The fourth proportional to 31,114.20, 46,671.30 and 15,529.80 is: 23,294.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,114.20 : 46,671.30 = 15,529.80 : x
  2. Step 2: Convert to fraction form
    31,114.20/46,671.30 = 15,529.80/x
  3. Step 3: Cross multiply
    31,114.20x = 46,671.30 × 15,529.80
  4. Step 4: Simplify right side
    31,114.20x = 724,795,954.74
  5. Step 5: Solve for x
    x = 724,795,954.74/31,114.20
  6. Step 6: Final answer
    x = 23,294.70

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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.