Home / 38,400.06-52,991.43-21,633.18

Finding the Fourth Proportional to 38,400.06, 52,991.43 and 21,633.18

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Solution

The fourth proportional to 38,400.06, 52,991.43 and 21,633.18 is: 29,853.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,400.06 : 52,991.43 = 21,633.18 : x
  2. Step 2: Convert to fraction form
    38,400.06/52,991.43 = 21,633.18/x
  3. Step 3: Cross multiply
    38,400.06x = 52,991.43 × 21,633.18
  4. Step 4: Simplify right side
    38,400.06x = 1,146,373,143.65
  5. Step 5: Solve for x
    x = 1,146,373,143.65/38,400.06
  6. Step 6: Final answer
    x = 29,853.42

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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.