Home / 34,092.76-51,151.42-11,909.40

Finding the Fourth Proportional to 34,092.76, 51,151.42 and 11,909.40

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Solution

The fourth proportional to 34,092.76, 51,151.42 and 11,909.40 is: 17,868.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,092.76 : 51,151.42 = 11,909.40 : x
  2. Step 2: Convert to fraction form
    34,092.76/51,151.42 = 11,909.40/x
  3. Step 3: Cross multiply
    34,092.76x = 51,151.42 × 11,909.40
  4. Step 4: Simplify right side
    34,092.76x = 609,182,721.35
  5. Step 5: Solve for x
    x = 609,182,721.35/34,092.76
  6. Step 6: Final answer
    x = 17,868.39

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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.