Home / 37,810.21-52,179.44-21,680.02

Finding the Fourth Proportional to 37,810.21, 52,179.44 and 21,680.02

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Solution

The fourth proportional to 37,810.21, 52,179.44 and 21,680.02 is: 29,919.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,810.21 : 52,179.44 = 21,680.02 : x
  2. Step 2: Convert to fraction form
    37,810.21/52,179.44 = 21,680.02/x
  3. Step 3: Cross multiply
    37,810.21x = 52,179.44 × 21,680.02
  4. Step 4: Simplify right side
    37,810.21x = 1,131,251,381.56
  5. Step 5: Solve for x
    x = 1,131,251,381.56/37,810.21
  6. Step 6: Final answer
    x = 29,919.20

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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.