Home / 37,869.42-52,259.94-21,102.42

Finding the Fourth Proportional to 37,869.42, 52,259.94 and 21,102.42

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Solution

The fourth proportional to 37,869.42, 52,259.94 and 21,102.42 is: 29,121.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,869.42 : 52,259.94 = 21,102.42 : x
  2. Step 2: Convert to fraction form
    37,869.42/52,259.94 = 21,102.42/x
  3. Step 3: Cross multiply
    37,869.42x = 52,259.94 × 21,102.42
  4. Step 4: Simplify right side
    37,869.42x = 1,102,811,203.05
  5. Step 5: Solve for x
    x = 1,102,811,203.05/37,869.42
  6. Step 6: Final answer
    x = 29,121.42

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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.