Home / 38,174.83-52,678.77-21,179.03

Finding the Fourth Proportional to 38,174.83, 52,678.77 and 21,179.03

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Solution

The fourth proportional to 38,174.83, 52,678.77 and 21,179.03 is: 29,225.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,174.83 : 52,678.77 = 21,179.03 : x
  2. Step 2: Convert to fraction form
    38,174.83/52,678.77 = 21,179.03/x
  3. Step 3: Cross multiply
    38,174.83x = 52,678.77 × 21,179.03
  4. Step 4: Simplify right side
    38,174.83x = 1,115,685,250.19
  5. Step 5: Solve for x
    x = 1,115,685,250.19/38,174.83
  6. Step 6: Final answer
    x = 29,225.68

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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.