Home / 49,140.72-67,809.24-27,915.84

Finding the Fourth Proportional to 49,140.72, 67,809.24 and 27,915.84

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Solution

The fourth proportional to 49,140.72, 67,809.24 and 27,915.84 is: 38,521.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,140.72 : 67,809.24 = 27,915.84 : x
  2. Step 2: Convert to fraction form
    49,140.72/67,809.24 = 27,915.84/x
  3. Step 3: Cross multiply
    49,140.72x = 67,809.24 × 27,915.84
  4. Step 4: Simplify right side
    49,140.72x = 1,892,951,894.36
  5. Step 5: Solve for x
    x = 1,892,951,894.36/49,140.72
  6. Step 6: Final answer
    x = 38,521.05

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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.