Home / 31,581.06-43,581.66-17,433.90

Finding the Fourth Proportional to 31,581.06, 43,581.66 and 17,433.90

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Solution

The fourth proportional to 31,581.06, 43,581.66 and 17,433.90 is: 24,058.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,581.06 : 43,581.66 = 17,433.90 : x
  2. Step 2: Convert to fraction form
    31,581.06/43,581.66 = 17,433.90/x
  3. Step 3: Cross multiply
    31,581.06x = 43,581.66 × 17,433.90
  4. Step 4: Simplify right side
    31,581.06x = 759,798,302.27
  5. Step 5: Solve for x
    x = 759,798,302.27/31,581.06
  6. Step 6: Final answer
    x = 24,058.67

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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.