Home / 34,149.40-47,125.62-19,999.24

Finding the Fourth Proportional to 34,149.40, 47,125.62 and 19,999.24

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Solution

The fourth proportional to 34,149.40, 47,125.62 and 19,999.24 is: 27,598.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,149.40 : 47,125.62 = 19,999.24 : x
  2. Step 2: Convert to fraction form
    34,149.40/47,125.62 = 19,999.24/x
  3. Step 3: Cross multiply
    34,149.40x = 47,125.62 × 19,999.24
  4. Step 4: Simplify right side
    34,149.40x = 942,476,584.53
  5. Step 5: Solve for x
    x = 942,476,584.53/34,149.40
  6. Step 6: Final answer
    x = 27,598.63

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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.