Home / 48,841.50-73,263.06-21,139.50

Finding the Fourth Proportional to 48,841.50, 73,263.06 and 21,139.50

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Solution

The fourth proportional to 48,841.50, 73,263.06 and 21,139.50 is: 31,709.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,841.50 : 73,263.06 = 21,139.50 : x
  2. Step 2: Convert to fraction form
    48,841.50/73,263.06 = 21,139.50/x
  3. Step 3: Cross multiply
    48,841.50x = 73,263.06 × 21,139.50
  4. Step 4: Simplify right side
    48,841.50x = 1,548,744,456.87
  5. Step 5: Solve for x
    x = 1,548,744,456.87/48,841.50
  6. Step 6: Final answer
    x = 31,709.60

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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.