Home / 37,938.88-52,357.08-21,175.12

Finding the Fourth Proportional to 37,938.88, 52,357.08 and 21,175.12

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Solution

The fourth proportional to 37,938.88, 52,357.08 and 21,175.12 is: 29,222.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,938.88 : 52,357.08 = 21,175.12 : x
  2. Step 2: Convert to fraction form
    37,938.88/52,357.08 = 21,175.12/x
  3. Step 3: Cross multiply
    37,938.88x = 52,357.08 × 21,175.12
  4. Step 4: Simplify right side
    37,938.88x = 1,108,667,451.85
  5. Step 5: Solve for x
    x = 1,108,667,451.85/37,938.88
  6. Step 6: Final answer
    x = 29,222.46

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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.