Home / 53,787.34-74,231.13-29,915.56

Finding the Fourth Proportional to 53,787.34, 74,231.13 and 29,915.56

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Solution

The fourth proportional to 53,787.34, 74,231.13 and 29,915.56 is: 41,286.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,787.34 : 74,231.13 = 29,915.56 : x
  2. Step 2: Convert to fraction form
    53,787.34/74,231.13 = 29,915.56/x
  3. Step 3: Cross multiply
    53,787.34x = 74,231.13 × 29,915.56
  4. Step 4: Simplify right side
    53,787.34x = 2,220,665,823.38
  5. Step 5: Solve for x
    x = 2,220,665,823.38/53,787.34
  6. Step 6: Final answer
    x = 41,286.03

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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.