Home / 31,626.60-47,403.38-11,892.57

Finding the Fourth Proportional to 31,626.60, 47,403.38 and 11,892.57

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Solution

The fourth proportional to 31,626.60, 47,403.38 and 11,892.57 is: 17,825.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,626.60 : 47,403.38 = 11,892.57 : x
  2. Step 2: Convert to fraction form
    31,626.60/47,403.38 = 11,892.57/x
  3. Step 3: Cross multiply
    31,626.60x = 47,403.38 × 11,892.57
  4. Step 4: Simplify right side
    31,626.60x = 563,748,014.89
  5. Step 5: Solve for x
    x = 563,748,014.89/31,626.60
  6. Step 6: Final answer
    x = 17,825.12

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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.