Home / 58,121.04-87,194.48-21,185.04

Finding the Fourth Proportional to 58,121.04, 87,194.48 and 21,185.04

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Solution

The fourth proportional to 58,121.04, 87,194.48 and 21,185.04 is: 31,782.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,121.04 : 87,194.48 = 21,185.04 : x
  2. Step 2: Convert to fraction form
    58,121.04/87,194.48 = 21,185.04/x
  3. Step 3: Cross multiply
    58,121.04x = 87,194.48 × 21,185.04
  4. Step 4: Simplify right side
    58,121.04x = 1,847,218,546.58
  5. Step 5: Solve for x
    x = 1,847,218,546.58/58,121.04
  6. Step 6: Final answer
    x = 31,782.27

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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.