Home / 31,160.96-43,000.42-17,013.48

Finding the Fourth Proportional to 31,160.96, 43,000.42 and 17,013.48

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Solution

The fourth proportional to 31,160.96, 43,000.42 and 17,013.48 is: 23,477.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,160.96 : 43,000.42 = 17,013.48 : x
  2. Step 2: Convert to fraction form
    31,160.96/43,000.42 = 17,013.48/x
  3. Step 3: Cross multiply
    31,160.96x = 43,000.42 × 17,013.48
  4. Step 4: Simplify right side
    31,160.96x = 731,586,785.66
  5. Step 5: Solve for x
    x = 731,586,785.66/31,160.96
  6. Step 6: Final answer
    x = 23,477.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.