Home / 48,270.86-66,611.04-28,131.02

Finding the Fourth Proportional to 48,270.86, 66,611.04 and 28,131.02

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Solution

The fourth proportional to 48,270.86, 66,611.04 and 28,131.02 is: 38,819.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,270.86 : 66,611.04 = 28,131.02 : x
  2. Step 2: Convert to fraction form
    48,270.86/66,611.04 = 28,131.02/x
  3. Step 3: Cross multiply
    48,270.86x = 66,611.04 × 28,131.02
  4. Step 4: Simplify right side
    48,270.86x = 1,873,836,498.46
  5. Step 5: Solve for x
    x = 1,873,836,498.46/48,270.86
  6. Step 6: Final answer
    x = 38,819.21

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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.