Home / 19,945.44-29,934.36-19,158.12

Finding the Fourth Proportional to 19,945.44, 29,934.36 and 19,158.12

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Solution

The fourth proportional to 19,945.44, 29,934.36 and 19,158.12 is: 28,752.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,945.44 : 29,934.36 = 19,158.12 : x
  2. Step 2: Convert to fraction form
    19,945.44/29,934.36 = 19,158.12/x
  3. Step 3: Cross multiply
    19,945.44x = 29,934.36 × 19,158.12
  4. Step 4: Simplify right side
    19,945.44x = 573,486,061.00
  5. Step 5: Solve for x
    x = 573,486,061.00/19,945.44
  6. Step 6: Final answer
    x = 28,752.74

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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.