Home / 29,456.48-40,647.12-16,879.52

Finding the Fourth Proportional to 29,456.48, 40,647.12 and 16,879.52

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Solution

The fourth proportional to 29,456.48, 40,647.12 and 16,879.52 is: 23,292.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,456.48 : 40,647.12 = 16,879.52 : x
  2. Step 2: Convert to fraction form
    29,456.48/40,647.12 = 16,879.52/x
  3. Step 3: Cross multiply
    29,456.48x = 40,647.12 × 16,879.52
  4. Step 4: Simplify right side
    29,456.48x = 686,103,874.98
  5. Step 5: Solve for x
    x = 686,103,874.98/29,456.48
  6. Step 6: Final answer
    x = 23,292.12

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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.