Home / 53,192.98-79,791.50-19,909.54

Finding the Fourth Proportional to 53,192.98, 79,791.50 and 19,909.54

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Solution

The fourth proportional to 53,192.98, 79,791.50 and 19,909.54 is: 29,865.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,192.98 : 79,791.50 = 19,909.54 : x
  2. Step 2: Convert to fraction form
    53,192.98/79,791.50 = 19,909.54/x
  3. Step 3: Cross multiply
    53,192.98x = 79,791.50 × 19,909.54
  4. Step 4: Simplify right side
    53,192.98x = 1,588,612,060.91
  5. Step 5: Solve for x
    x = 1,588,612,060.91/53,192.98
  6. Step 6: Final answer
    x = 29,865.07

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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.