Home / 38,213.61-52,734.04-21,216.97

Finding the Fourth Proportional to 38,213.61, 52,734.04 and 21,216.97

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Solution

The fourth proportional to 38,213.61, 52,734.04 and 21,216.97 is: 29,279.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,213.61 : 52,734.04 = 21,216.97 : x
  2. Step 2: Convert to fraction form
    38,213.61/52,734.04 = 21,216.97/x
  3. Step 3: Cross multiply
    38,213.61x = 52,734.04 × 21,216.97
  4. Step 4: Simplify right side
    38,213.61x = 1,118,856,557.53
  5. Step 5: Solve for x
    x = 1,118,856,557.53/38,213.61
  6. Step 6: Final answer
    x = 29,279.01

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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.