Home / 30,621.34-42,254.18-17,194.06

Finding the Fourth Proportional to 30,621.34, 42,254.18 and 17,194.06

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Solution

The fourth proportional to 30,621.34, 42,254.18 and 17,194.06 is: 23,725.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,621.34 : 42,254.18 = 17,194.06 : x
  2. Step 2: Convert to fraction form
    30,621.34/42,254.18 = 17,194.06/x
  3. Step 3: Cross multiply
    30,621.34x = 42,254.18 × 17,194.06
  4. Step 4: Simplify right side
    30,621.34x = 726,520,694.90
  5. Step 5: Solve for x
    x = 726,520,694.90/30,621.34
  6. Step 6: Final answer
    x = 23,725.96

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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.