Home / 19,972.08-29,907.02-19,380.92

Finding the Fourth Proportional to 19,972.08, 29,907.02 and 19,380.92

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Solution

The fourth proportional to 19,972.08, 29,907.02 and 19,380.92 is: 29,021.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,972.08 : 29,907.02 = 19,380.92 : x
  2. Step 2: Convert to fraction form
    19,972.08/29,907.02 = 19,380.92/x
  3. Step 3: Cross multiply
    19,972.08x = 29,907.02 × 19,380.92
  4. Step 4: Simplify right side
    19,972.08x = 579,625,460.98
  5. Step 5: Solve for x
    x = 579,625,460.98/19,972.08
  6. Step 6: Final answer
    x = 29,021.79

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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.