Home / 38,144.35-52,639.44-21,148.86

Finding the Fourth Proportional to 38,144.35, 52,639.44 and 21,148.86

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Solution

The fourth proportional to 38,144.35, 52,639.44 and 21,148.86 is: 29,185.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,144.35 : 52,639.44 = 21,148.86 : x
  2. Step 2: Convert to fraction form
    38,144.35/52,639.44 = 21,148.86/x
  3. Step 3: Cross multiply
    38,144.35x = 52,639.44 × 21,148.86
  4. Step 4: Simplify right side
    38,144.35x = 1,113,264,265.13
  5. Step 5: Solve for x
    x = 1,113,264,265.13/38,144.35
  6. Step 6: Final answer
    x = 29,185.56

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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.