Home / 30,257.87-41,755.22-16,645.34

Finding the Fourth Proportional to 30,257.87, 41,755.22 and 16,645.34

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Solution

The fourth proportional to 30,257.87, 41,755.22 and 16,645.34 is: 22,970.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,257.87 : 41,755.22 = 16,645.34 : x
  2. Step 2: Convert to fraction form
    30,257.87/41,755.22 = 16,645.34/x
  3. Step 3: Cross multiply
    30,257.87x = 41,755.22 × 16,645.34
  4. Step 4: Simplify right side
    30,257.87x = 695,029,697.72
  5. Step 5: Solve for x
    x = 695,029,697.72/30,257.87
  6. Step 6: Final answer
    x = 22,970.22

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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.