Home / 38,611.17-57,877.09-21,935.61

Finding the Fourth Proportional to 38,611.17, 57,877.09 and 21,935.61

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Solution

The fourth proportional to 38,611.17, 57,877.09 and 21,935.61 is: 32,880.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,611.17 : 57,877.09 = 21,935.61 : x
  2. Step 2: Convert to fraction form
    38,611.17/57,877.09 = 21,935.61/x
  3. Step 3: Cross multiply
    38,611.17x = 57,877.09 × 21,935.61
  4. Step 4: Simplify right side
    38,611.17x = 1,269,569,219.34
  5. Step 5: Solve for x
    x = 1,269,569,219.34/38,611.17
  6. Step 6: Final answer
    x = 32,880.88

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1.5x scale

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.