Home / 34,243.80-47,255.55-19,136.58

Finding the Fourth Proportional to 34,243.80, 47,255.55 and 19,136.58

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Solution

The fourth proportional to 34,243.80, 47,255.55 and 19,136.58 is: 26,407.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,243.80 : 47,255.55 = 19,136.58 : x
  2. Step 2: Convert to fraction form
    34,243.80/47,255.55 = 19,136.58/x
  3. Step 3: Cross multiply
    34,243.80x = 47,255.55 × 19,136.58
  4. Step 4: Simplify right side
    34,243.80x = 904,309,613.02
  5. Step 5: Solve for x
    x = 904,309,613.02/34,243.80
  6. Step 6: Final answer
    x = 26,407.98

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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.