Home / 30,620.34-42,254.94-17,192.16

Finding the Fourth Proportional to 30,620.34, 42,254.94 and 17,192.16

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Solution

The fourth proportional to 30,620.34, 42,254.94 and 17,192.16 is: 23,724.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,620.34 : 42,254.94 = 17,192.16 : x
  2. Step 2: Convert to fraction form
    30,620.34/42,254.94 = 17,192.16/x
  3. Step 3: Cross multiply
    30,620.34x = 42,254.94 × 17,192.16
  4. Step 4: Simplify right side
    30,620.34x = 726,453,689.27
  5. Step 5: Solve for x
    x = 726,453,689.27/30,620.34
  6. Step 6: Final answer
    x = 23,724.55

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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.