Home / 38,190.16-52,704.84-21,424.24

Finding the Fourth Proportional to 38,190.16, 52,704.84 and 21,424.24

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Solution

The fourth proportional to 38,190.16, 52,704.84 and 21,424.24 is: 29,566.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,190.16 : 52,704.84 = 21,424.24 : x
  2. Step 2: Convert to fraction form
    38,190.16/52,704.84 = 21,424.24/x
  3. Step 3: Cross multiply
    38,190.16x = 52,704.84 × 21,424.24
  4. Step 4: Simplify right side
    38,190.16x = 1,129,161,141.32
  5. Step 5: Solve for x
    x = 1,129,161,141.32/38,190.16
  6. Step 6: Final answer
    x = 29,566.81

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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.