Home / 39,374.17-54,336.76-21,469.25

Finding the Fourth Proportional to 39,374.17, 54,336.76 and 21,469.25

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Solution

The fourth proportional to 39,374.17, 54,336.76 and 21,469.25 is: 29,627.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,374.17 : 54,336.76 = 21,469.25 : x
  2. Step 2: Convert to fraction form
    39,374.17/54,336.76 = 21,469.25/x
  3. Step 3: Cross multiply
    39,374.17x = 54,336.76 × 21,469.25
  4. Step 4: Simplify right side
    39,374.17x = 1,166,569,566.80
  5. Step 5: Solve for x
    x = 1,166,569,566.80/39,374.17
  6. Step 6: Final answer
    x = 29,627.79

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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.