Home / 31,522.40-43,501.20-17,374.88

Finding the Fourth Proportional to 31,522.40, 43,501.20 and 17,374.88

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Solution

The fourth proportional to 31,522.40, 43,501.20 and 17,374.88 is: 23,977.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,522.40 : 43,501.20 = 17,374.88 : x
  2. Step 2: Convert to fraction form
    31,522.40/43,501.20 = 17,374.88/x
  3. Step 3: Cross multiply
    31,522.40x = 43,501.20 × 17,374.88
  4. Step 4: Simplify right side
    31,522.40x = 755,828,129.86
  5. Step 5: Solve for x
    x = 755,828,129.86/31,522.40
  6. Step 6: Final answer
    x = 23,977.49

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