Home / 38,214.61-52,735.42-21,217.97

Finding the Fourth Proportional to 38,214.61, 52,735.42 and 21,217.97

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Solution

The fourth proportional to 38,214.61, 52,735.42 and 21,217.97 is: 29,280.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,214.61 : 52,735.42 = 21,217.97 : x
  2. Step 2: Convert to fraction form
    38,214.61/52,735.42 = 21,217.97/x
  3. Step 3: Cross multiply
    38,214.61x = 52,735.42 × 21,217.97
  4. Step 4: Simplify right side
    38,214.61x = 1,118,938,559.50
  5. Step 5: Solve for x
    x = 1,118,938,559.50/38,214.61
  6. Step 6: Final answer
    x = 29,280.39

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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.