Home / 30,255.48-41,756.94-18,156.51

Finding the Fourth Proportional to 30,255.48, 41,756.94 and 18,156.51

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Solution

The fourth proportional to 30,255.48, 41,756.94 and 18,156.51 is: 25,058.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,255.48 : 41,756.94 = 18,156.51 : x
  2. Step 2: Convert to fraction form
    30,255.48/41,756.94 = 18,156.51/x
  3. Step 3: Cross multiply
    30,255.48x = 41,756.94 × 18,156.51
  4. Step 4: Simplify right side
    30,255.48x = 758,160,298.68
  5. Step 5: Solve for x
    x = 758,160,298.68/30,255.48
  6. Step 6: Final answer
    x = 25,058.61

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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.