Home / 58,174.13-87,211.21-20,218.47

Finding the Fourth Proportional to 58,174.13, 87,211.21 and 20,218.47

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Solution

The fourth proportional to 58,174.13, 87,211.21 and 20,218.47 is: 30,310.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,174.13 : 87,211.21 = 20,218.47 : x
  2. Step 2: Convert to fraction form
    58,174.13/87,211.21 = 20,218.47/x
  3. Step 3: Cross multiply
    58,174.13x = 87,211.21 × 20,218.47
  4. Step 4: Simplify right side
    58,174.13x = 1,763,276,796.99
  5. Step 5: Solve for x
    x = 1,763,276,796.99/58,174.13
  6. Step 6: Final answer
    x = 30,310.33

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1.5x scale

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.