Home / 38,790-58,196.34-13,832.08

Finding the Fourth Proportional to 38,790, 58,196.34 and 13,832.08

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Solution

The fourth proportional to 38,790, 58,196.34 and 13,832.08 is: 20,752.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,790 : 58,196.34 = 13,832.08 : x
  2. Step 2: Convert to fraction form
    38,790/58,196.34 = 13,832.08/x
  3. Step 3: Cross multiply
    38,790x = 58,196.34 × 13,832.08
  4. Step 4: Simplify right side
    38,790x = 804,976,285.10
  5. Step 5: Solve for x
    x = 804,976,285.10/38,790
  6. Step 6: Final answer
    x = 20,752.16

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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.