Home / 31,110.20-46,665.30-15,525.80

Finding the Fourth Proportional to 31,110.20, 46,665.30 and 15,525.80

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Solution

The fourth proportional to 31,110.20, 46,665.30 and 15,525.80 is: 23,288.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,110.20 : 46,665.30 = 15,525.80 : x
  2. Step 2: Convert to fraction form
    31,110.20/46,665.30 = 15,525.80/x
  3. Step 3: Cross multiply
    31,110.20x = 46,665.30 × 15,525.80
  4. Step 4: Simplify right side
    31,110.20x = 724,516,114.74
  5. Step 5: Solve for x
    x = 724,516,114.74/31,110.20
  6. Step 6: Final answer
    x = 23,288.70

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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.