Home / 33,628.80-46,385.52-21,031.68

Finding the Fourth Proportional to 33,628.80, 46,385.52 and 21,031.68

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Solution

The fourth proportional to 33,628.80, 46,385.52 and 21,031.68 is: 29,009.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,628.80 : 46,385.52 = 21,031.68 : x
  2. Step 2: Convert to fraction form
    33,628.80/46,385.52 = 21,031.68/x
  3. Step 3: Cross multiply
    33,628.80x = 46,385.52 × 21,031.68
  4. Step 4: Simplify right side
    33,628.80x = 975,565,413.27
  5. Step 5: Solve for x
    x = 975,565,413.27/33,628.80
  6. Step 6: Final answer
    x = 29,009.82

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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.