Home / 30,620.34-42,252.80-17,193.06

Finding the Fourth Proportional to 30,620.34, 42,252.80 and 17,193.06

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Solution

The fourth proportional to 30,620.34, 42,252.80 and 17,193.06 is: 23,724.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,620.34 : 42,252.80 = 17,193.06 : x
  2. Step 2: Convert to fraction form
    30,620.34/42,252.80 = 17,193.06/x
  3. Step 3: Cross multiply
    30,620.34x = 42,252.80 × 17,193.06
  4. Step 4: Simplify right side
    30,620.34x = 726,454,925.57
  5. Step 5: Solve for x
    x = 726,454,925.57/30,620.34
  6. Step 6: Final answer
    x = 23,724.59

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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.