Home / 48,494.72-66,912.68-28,347.70

Finding the Fourth Proportional to 48,494.72, 66,912.68 and 28,347.70

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Solution

The fourth proportional to 48,494.72, 66,912.68 and 28,347.70 is: 39,113.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,494.72 : 66,912.68 = 28,347.70 : x
  2. Step 2: Convert to fraction form
    48,494.72/66,912.68 = 28,347.70/x
  3. Step 3: Cross multiply
    48,494.72x = 66,912.68 × 28,347.70
  4. Step 4: Simplify right side
    48,494.72x = 1,896,820,578.84
  5. Step 5: Solve for x
    x = 1,896,820,578.84/48,494.72
  6. Step 6: Final answer
    x = 39,113.96

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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.