Home / 48,479.22-66,906.59-28,342.89

Finding the Fourth Proportional to 48,479.22, 66,906.59 and 28,342.89

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Solution

The fourth proportional to 48,479.22, 66,906.59 and 28,342.89 is: 39,116.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,479.22 : 66,906.59 = 28,342.89 : x
  2. Step 2: Convert to fraction form
    48,479.22/66,906.59 = 28,342.89/x
  3. Step 3: Cross multiply
    48,479.22x = 66,906.59 × 28,342.89
  4. Step 4: Simplify right side
    48,479.22x = 1,896,325,978.93
  5. Step 5: Solve for x
    x = 1,896,325,978.93/48,479.22
  6. Step 6: Final answer
    x = 39,116.26

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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.