Home / 48,587.39-72,890.28-19,003.36

Finding the Fourth Proportional to 48,587.39, 72,890.28 and 19,003.36

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Solution

The fourth proportional to 48,587.39, 72,890.28 and 19,003.36 is: 28,508.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,587.39 : 72,890.28 = 19,003.36 : x
  2. Step 2: Convert to fraction form
    48,587.39/72,890.28 = 19,003.36/x
  3. Step 3: Cross multiply
    48,587.39x = 72,890.28 × 19,003.36
  4. Step 4: Simplify right side
    48,587.39x = 1,385,160,185.78
  5. Step 5: Solve for x
    x = 1,385,160,185.78/48,587.39
  6. Step 6: Final answer
    x = 28,508.63

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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.