Home / 31,464.50-43,420.17-17,124.60

Finding the Fourth Proportional to 31,464.50, 43,420.17 and 17,124.60

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Solution

The fourth proportional to 31,464.50, 43,420.17 and 17,124.60 is: 23,631.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,464.50 : 43,420.17 = 17,124.60 : x
  2. Step 2: Convert to fraction form
    31,464.50/43,420.17 = 17,124.60/x
  3. Step 3: Cross multiply
    31,464.50x = 43,420.17 × 17,124.60
  4. Step 4: Simplify right side
    31,464.50x = 743,553,043.18
  5. Step 5: Solve for x
    x = 743,553,043.18/31,464.50
  6. Step 6: Final answer
    x = 23,631.49

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1.5x scale

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.