Home / 31,152.96-46,722.45-8,961.39

Finding the Fourth Proportional to 31,152.96, 46,722.45 and 8,961.39

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Solution

The fourth proportional to 31,152.96, 46,722.45 and 8,961.39 is: 13,440.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,152.96 : 46,722.45 = 8,961.39 : x
  2. Step 2: Convert to fraction form
    31,152.96/46,722.45 = 8,961.39/x
  3. Step 3: Cross multiply
    31,152.96x = 46,722.45 × 8,961.39
  4. Step 4: Simplify right side
    31,152.96x = 418,698,096.21
  5. Step 5: Solve for x
    x = 418,698,096.21/31,152.96
  6. Step 6: Final answer
    x = 13,440.07

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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.