Home / 31,581.63-47,362.23-10,516.04

Finding the Fourth Proportional to 31,581.63, 47,362.23 and 10,516.04

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Solution

The fourth proportional to 31,581.63, 47,362.23 and 10,516.04 is: 15,770.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,581.63 : 47,362.23 = 10,516.04 : x
  2. Step 2: Convert to fraction form
    31,581.63/47,362.23 = 10,516.04/x
  3. Step 3: Cross multiply
    31,581.63x = 47,362.23 × 10,516.04
  4. Step 4: Simplify right side
    31,581.63x = 498,063,045.97
  5. Step 5: Solve for x
    x = 498,063,045.97/31,581.63
  6. Step 6: Final answer
    x = 15,770.66

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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.