Home / 30,735.48-46,129.14-15,170.52

Finding the Fourth Proportional to 30,735.48, 46,129.14 and 15,170.52

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Solution

The fourth proportional to 30,735.48, 46,129.14 and 15,170.52 is: 22,768.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,735.48 : 46,129.14 = 15,170.52 : x
  2. Step 2: Convert to fraction form
    30,735.48/46,129.14 = 15,170.52/x
  3. Step 3: Cross multiply
    30,735.48x = 46,129.14 × 15,170.52
  4. Step 4: Simplify right side
    30,735.48x = 699,803,040.95
  5. Step 5: Solve for x
    x = 699,803,040.95/30,735.48
  6. Step 6: Final answer
    x = 22,768.57

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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.