Home / 38,664.12-53,360.24-21,671.24

Finding the Fourth Proportional to 38,664.12, 53,360.24 and 21,671.24

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Solution

The fourth proportional to 38,664.12, 53,360.24 and 21,671.24 is: 29,908.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,664.12 : 53,360.24 = 21,671.24 : x
  2. Step 2: Convert to fraction form
    38,664.12/53,360.24 = 21,671.24/x
  3. Step 3: Cross multiply
    38,664.12x = 53,360.24 × 21,671.24
  4. Step 4: Simplify right side
    38,664.12x = 1,156,382,567.50
  5. Step 5: Solve for x
    x = 1,156,382,567.50/38,664.12
  6. Step 6: Final answer
    x = 29,908.42

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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.