Home / 47,222-70,845.16-17,640.04

Finding the Fourth Proportional to 47,222, 70,845.16 and 17,640.04

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Solution

The fourth proportional to 47,222, 70,845.16 and 17,640.04 is: 26,464.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,222 : 70,845.16 = 17,640.04 : x
  2. Step 2: Convert to fraction form
    47,222/70,845.16 = 17,640.04/x
  3. Step 3: Cross multiply
    47,222x = 70,845.16 × 17,640.04
  4. Step 4: Simplify right side
    47,222x = 1,249,711,456.21
  5. Step 5: Solve for x
    x = 1,249,711,456.21/47,222
  6. Step 6: Final answer
    x = 26,464.60

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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.