Home / 29,117.52-43,683.64-12,469.20

Finding the Fourth Proportional to 29,117.52, 43,683.64 and 12,469.20

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Solution

The fourth proportional to 29,117.52, 43,683.64 and 12,469.20 is: 18,706.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,117.52 : 43,683.64 = 12,469.20 : x
  2. Step 2: Convert to fraction form
    29,117.52/43,683.64 = 12,469.20/x
  3. Step 3: Cross multiply
    29,117.52x = 43,683.64 × 12,469.20
  4. Step 4: Simplify right side
    29,117.52x = 544,700,043.89
  5. Step 5: Solve for x
    x = 544,700,043.89/29,117.52
  6. Step 6: Final answer
    x = 18,706.95

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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.