Home / 38,140.62-52,632.63-21,372.54

Finding the Fourth Proportional to 38,140.62, 52,632.63 and 21,372.54

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Solution

The fourth proportional to 38,140.62, 52,632.63 and 21,372.54 is: 29,493.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,140.62 : 52,632.63 = 21,372.54 : x
  2. Step 2: Convert to fraction form
    38,140.62/52,632.63 = 21,372.54/x
  3. Step 3: Cross multiply
    38,140.62x = 52,632.63 × 21,372.54
  4. Step 4: Simplify right side
    38,140.62x = 1,124,892,989.98
  5. Step 5: Solve for x
    x = 1,124,892,989.98/38,140.62
  6. Step 6: Final answer
    x = 29,493.31

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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.