Home / 38,664.10-53,360.90-21,672.94

Finding the Fourth Proportional to 38,664.10, 53,360.90 and 21,672.94

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Solution

The fourth proportional to 38,664.10, 53,360.90 and 21,672.94 is: 29,911.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,664.10 : 53,360.90 = 21,672.94 : x
  2. Step 2: Convert to fraction form
    38,664.10/53,360.90 = 21,672.94/x
  3. Step 3: Cross multiply
    38,664.10x = 53,360.90 × 21,672.94
  4. Step 4: Simplify right side
    38,664.10x = 1,156,487,584.05
  5. Step 5: Solve for x
    x = 1,156,487,584.05/38,664.10
  6. Step 6: Final answer
    x = 29,911.15

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1.5x scale

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.