Home / 30,347.61-41,879.75-17,603.21

Finding the Fourth Proportional to 30,347.61, 41,879.75 and 17,603.21

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Solution

The fourth proportional to 30,347.61, 41,879.75 and 17,603.21 is: 24,292.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,347.61 : 41,879.75 = 17,603.21 : x
  2. Step 2: Convert to fraction form
    30,347.61/41,879.75 = 17,603.21/x
  3. Step 3: Cross multiply
    30,347.61x = 41,879.75 × 17,603.21
  4. Step 4: Simplify right side
    30,347.61x = 737,217,736.58
  5. Step 5: Solve for x
    x = 737,217,736.58/30,347.61
  6. Step 6: Final answer
    x = 24,292.45

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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.