Home / 30,550.61-42,161.53-17,126.18

Finding the Fourth Proportional to 30,550.61, 42,161.53 and 17,126.18

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Solution

The fourth proportional to 30,550.61, 42,161.53 and 17,126.18 is: 23,635.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,550.61 : 42,161.53 = 17,126.18 : x
  2. Step 2: Convert to fraction form
    30,550.61/42,161.53 = 17,126.18/x
  3. Step 3: Cross multiply
    30,550.61x = 42,161.53 × 17,126.18
  4. Step 4: Simplify right side
    30,550.61x = 722,066,014.44
  5. Step 5: Solve for x
    x = 722,066,014.44/30,550.61
  6. Step 6: Final answer
    x = 23,635.07

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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.