Home / 38,415.39-57,630.06-18,693.96

Finding the Fourth Proportional to 38,415.39, 57,630.06 and 18,693.96

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Solution

The fourth proportional to 38,415.39, 57,630.06 and 18,693.96 is: 28,044.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,415.39 : 57,630.06 = 18,693.96 : x
  2. Step 2: Convert to fraction form
    38,415.39/57,630.06 = 18,693.96/x
  3. Step 3: Cross multiply
    38,415.39x = 57,630.06 × 18,693.96
  4. Step 4: Simplify right side
    38,415.39x = 1,077,334,036.44
  5. Step 5: Solve for x
    x = 1,077,334,036.44/38,415.39
  6. Step 6: Final answer
    x = 28,044.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.