Home / 37,938.72-52,358.40-21,174.24

Finding the Fourth Proportional to 37,938.72, 52,358.40 and 21,174.24

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Solution

The fourth proportional to 37,938.72, 52,358.40 and 21,174.24 is: 29,222.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,938.72 : 52,358.40 = 21,174.24 : x
  2. Step 2: Convert to fraction form
    37,938.72/52,358.40 = 21,174.24/x
  3. Step 3: Cross multiply
    37,938.72x = 52,358.40 × 21,174.24
  4. Step 4: Simplify right side
    37,938.72x = 1,108,649,327.62
  5. Step 5: Solve for x
    x = 1,108,649,327.62/37,938.72
  6. Step 6: Final answer
    x = 29,222.11

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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.