Home / 48,026.25-72,039.78-16,861.50

Finding the Fourth Proportional to 48,026.25, 72,039.78 and 16,861.50

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Solution

The fourth proportional to 48,026.25, 72,039.78 and 16,861.50 is: 25,292.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,026.25 : 72,039.78 = 16,861.50 : x
  2. Step 2: Convert to fraction form
    48,026.25/72,039.78 = 16,861.50/x
  3. Step 3: Cross multiply
    48,026.25x = 72,039.78 × 16,861.50
  4. Step 4: Simplify right side
    48,026.25x = 1,214,698,750.47
  5. Step 5: Solve for x
    x = 1,214,698,750.47/48,026.25
  6. Step 6: Final answer
    x = 25,292.39

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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.