Home / 38,789.91-58,130.16-17,678.07

Finding the Fourth Proportional to 38,789.91, 58,130.16 and 17,678.07

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Solution

The fourth proportional to 38,789.91, 58,130.16 and 17,678.07 is: 26,492.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,789.91 : 58,130.16 = 17,678.07 : x
  2. Step 2: Convert to fraction form
    38,789.91/58,130.16 = 17,678.07/x
  3. Step 3: Cross multiply
    38,789.91x = 58,130.16 × 17,678.07
  4. Step 4: Simplify right side
    38,789.91x = 1,027,629,037.59
  5. Step 5: Solve for x
    x = 1,027,629,037.59/38,789.91
  6. Step 6: Final answer
    x = 26,492.17

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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.