Home / 31,648.40-47,434.20-14,099.60

Finding the Fourth Proportional to 31,648.40, 47,434.20 and 14,099.60

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Solution

The fourth proportional to 31,648.40, 47,434.20 and 14,099.60 is: 21,132.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,648.40 : 47,434.20 = 14,099.60 : x
  2. Step 2: Convert to fraction form
    31,648.40/47,434.20 = 14,099.60/x
  3. Step 3: Cross multiply
    31,648.40x = 47,434.20 × 14,099.60
  4. Step 4: Simplify right side
    31,648.40x = 668,803,246.32
  5. Step 5: Solve for x
    x = 668,803,246.32/31,648.40
  6. Step 6: Final answer
    x = 21,132.29

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.