Home / 30,178.42-41,644.26-16,749.68

Finding the Fourth Proportional to 30,178.42, 41,644.26 and 16,749.68

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Solution

The fourth proportional to 30,178.42, 41,644.26 and 16,749.68 is: 23,113.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,178.42 : 41,644.26 = 16,749.68 : x
  2. Step 2: Convert to fraction form
    30,178.42/41,644.26 = 16,749.68/x
  3. Step 3: Cross multiply
    30,178.42x = 41,644.26 × 16,749.68
  4. Step 4: Simplify right side
    30,178.42x = 697,527,820.62
  5. Step 5: Solve for x
    x = 697,527,820.62/30,178.42
  6. Step 6: Final answer
    x = 23,113.47

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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.