Home / 48,405.72-66,791.34-29,548.92

Finding the Fourth Proportional to 48,405.72, 66,791.34 and 29,548.92

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Solution

The fourth proportional to 48,405.72, 66,791.34 and 29,548.92 is: 40,772.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,405.72 : 66,791.34 = 29,548.92 : x
  2. Step 2: Convert to fraction form
    48,405.72/66,791.34 = 29,548.92/x
  3. Step 3: Cross multiply
    48,405.72x = 66,791.34 × 29,548.92
  4. Step 4: Simplify right side
    48,405.72x = 1,973,611,962.35
  5. Step 5: Solve for x
    x = 1,973,611,962.35/48,405.72
  6. Step 6: Final answer
    x = 40,772.29

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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.