Home / 38,725.83-58,087.53-21,305.16

Finding the Fourth Proportional to 38,725.83, 58,087.53 and 21,305.16

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Solution

The fourth proportional to 38,725.83, 58,087.53 and 21,305.16 is: 31,957.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,725.83 : 58,087.53 = 21,305.16 : x
  2. Step 2: Convert to fraction form
    38,725.83/58,087.53 = 21,305.16/x
  3. Step 3: Cross multiply
    38,725.83x = 58,087.53 × 21,305.16
  4. Step 4: Simplify right side
    38,725.83x = 1,237,564,120.65
  5. Step 5: Solve for x
    x = 1,237,564,120.65/38,725.83
  6. Step 6: Final answer
    x = 31,957.07

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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.