Home / 40,712.69-61,018.34-19,648.92

Finding the Fourth Proportional to 40,712.69, 61,018.34 and 19,648.92

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Solution

The fourth proportional to 40,712.69, 61,018.34 and 19,648.92 is: 29,448.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,712.69 : 61,018.34 = 19,648.92 : x
  2. Step 2: Convert to fraction form
    40,712.69/61,018.34 = 19,648.92/x
  3. Step 3: Cross multiply
    40,712.69x = 61,018.34 × 19,648.92
  4. Step 4: Simplify right side
    40,712.69x = 1,198,944,481.19
  5. Step 5: Solve for x
    x = 1,198,944,481.19/40,712.69
  6. Step 6: Final answer
    x = 29,448.91

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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.