Home / 19,996.47-29,970.41-15,050.21

Finding the Fourth Proportional to 19,996.47, 29,970.41 and 15,050.21

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Solution

The fourth proportional to 19,996.47, 29,970.41 and 15,050.21 is: 22,557.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,996.47 : 29,970.41 = 15,050.21 : x
  2. Step 2: Convert to fraction form
    19,996.47/29,970.41 = 15,050.21/x
  3. Step 3: Cross multiply
    19,996.47x = 29,970.41 × 15,050.21
  4. Step 4: Simplify right side
    19,996.47x = 451,060,739.18
  5. Step 5: Solve for x
    x = 451,060,739.18/19,996.47
  6. Step 6: Final answer
    x = 22,557.02

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.