Home / 30,085.89-41,518.86-16,657.39

Finding the Fourth Proportional to 30,085.89, 41,518.86 and 16,657.39

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Solution

The fourth proportional to 30,085.89, 41,518.86 and 16,657.39 is: 22,987.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,085.89 : 41,518.86 = 16,657.39 : x
  2. Step 2: Convert to fraction form
    30,085.89/41,518.86 = 16,657.39/x
  3. Step 3: Cross multiply
    30,085.89x = 41,518.86 × 16,657.39
  4. Step 4: Simplify right side
    30,085.89x = 691,595,594.14
  5. Step 5: Solve for x
    x = 691,595,594.14/30,085.89
  6. Step 6: Final answer
    x = 22,987.37

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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.