Home / 34,128.96-47,098.48-19,021.20

Finding the Fourth Proportional to 34,128.96, 47,098.48 and 19,021.20

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Solution

The fourth proportional to 34,128.96, 47,098.48 and 19,021.20 is: 26,249.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,128.96 : 47,098.48 = 19,021.20 : x
  2. Step 2: Convert to fraction form
    34,128.96/47,098.48 = 19,021.20/x
  3. Step 3: Cross multiply
    34,128.96x = 47,098.48 × 19,021.20
  4. Step 4: Simplify right side
    34,128.96x = 895,869,607.78
  5. Step 5: Solve for x
    x = 895,869,607.78/34,128.96
  6. Step 6: Final answer
    x = 26,249.54

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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.