Home / 48,380.48-66,772.40-29,528.56

Finding the Fourth Proportional to 48,380.48, 66,772.40 and 29,528.56

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Solution

The fourth proportional to 48,380.48, 66,772.40 and 29,528.56 is: 40,753.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,380.48 : 66,772.40 = 29,528.56 : x
  2. Step 2: Convert to fraction form
    48,380.48/66,772.40 = 29,528.56/x
  3. Step 3: Cross multiply
    48,380.48x = 66,772.40 × 29,528.56
  4. Step 4: Simplify right side
    48,380.48x = 1,971,692,819.74
  5. Step 5: Solve for x
    x = 1,971,692,819.74/48,380.48
  6. Step 6: Final answer
    x = 40,753.89

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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.