Home / 30,137.50-41,588.21-16,708.62

Finding the Fourth Proportional to 30,137.50, 41,588.21 and 16,708.62

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Solution

The fourth proportional to 30,137.50, 41,588.21 and 16,708.62 is: 23,057.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,137.50 : 41,588.21 = 16,708.62 : x
  2. Step 2: Convert to fraction form
    30,137.50/41,588.21 = 16,708.62/x
  3. Step 3: Cross multiply
    30,137.50x = 41,588.21 × 16,708.62
  4. Step 4: Simplify right side
    30,137.50x = 694,881,795.10
  5. Step 5: Solve for x
    x = 694,881,795.10/30,137.50
  6. Step 6: Final answer
    x = 23,057.05

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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.