Home / 48,947.13-73,420.69-21,245.13

Finding the Fourth Proportional to 48,947.13, 73,420.69 and 21,245.13

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Solution

The fourth proportional to 48,947.13, 73,420.69 and 21,245.13 is: 31,867.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,947.13 : 73,420.69 = 21,245.13 : x
  2. Step 2: Convert to fraction form
    48,947.13/73,420.69 = 21,245.13/x
  3. Step 3: Cross multiply
    48,947.13x = 73,420.69 × 21,245.13
  4. Step 4: Simplify right side
    48,947.13x = 1,559,832,103.74
  5. Step 5: Solve for x
    x = 1,559,832,103.74/48,947.13
  6. Step 6: Final answer
    x = 31,867.69

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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.