Home / 38,908.44-53,698.77-21,916.02

Finding the Fourth Proportional to 38,908.44, 53,698.77 and 21,916.02

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Solution

The fourth proportional to 38,908.44, 53,698.77 and 21,916.02 is: 30,246.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,908.44 : 53,698.77 = 21,916.02 : x
  2. Step 2: Convert to fraction form
    38,908.44/53,698.77 = 21,916.02/x
  3. Step 3: Cross multiply
    38,908.44x = 53,698.77 × 21,916.02
  4. Step 4: Simplify right side
    38,908.44x = 1,176,863,317.30
  5. Step 5: Solve for x
    x = 1,176,863,317.30/38,908.44
  6. Step 6: Final answer
    x = 30,246.99

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.