Home / 30,355.21-41,911.77-25,332.41

Finding the Fourth Proportional to 30,355.21, 41,911.77 and 25,332.41

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Solution

The fourth proportional to 30,355.21, 41,911.77 and 25,332.41 is: 34,976.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,355.21 : 41,911.77 = 25,332.41 : x
  2. Step 2: Convert to fraction form
    30,355.21/41,911.77 = 25,332.41/x
  3. Step 3: Cross multiply
    30,355.21x = 41,911.77 × 25,332.41
  4. Step 4: Simplify right side
    30,355.21x = 1,061,726,141.47
  5. Step 5: Solve for x
    x = 1,061,726,141.47/30,355.21
  6. Step 6: Final answer
    x = 34,976.74

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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.