Home / 38,382.04-57,466.74-19,621.68

Finding the Fourth Proportional to 38,382.04, 57,466.74 and 19,621.68

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Solution

The fourth proportional to 38,382.04, 57,466.74 and 19,621.68 is: 29,378.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,382.04 : 57,466.74 = 19,621.68 : x
  2. Step 2: Convert to fraction form
    38,382.04/57,466.74 = 19,621.68/x
  3. Step 3: Cross multiply
    38,382.04x = 57,466.74 × 19,621.68
  4. Step 4: Simplify right side
    38,382.04x = 1,127,593,982.92
  5. Step 5: Solve for x
    x = 1,127,593,982.92/38,382.04
  6. Step 6: Final answer
    x = 29,378.17

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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.