Home / 30,623.90-42,258.39-17,194.10

Finding the Fourth Proportional to 30,623.90, 42,258.39 and 17,194.10

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Solution

The fourth proportional to 30,623.90, 42,258.39 and 17,194.10 is: 23,726.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,623.90 : 42,258.39 = 17,194.10 : x
  2. Step 2: Convert to fraction form
    30,623.90/42,258.39 = 17,194.10/x
  3. Step 3: Cross multiply
    30,623.90x = 42,258.39 × 17,194.10
  4. Step 4: Simplify right side
    30,623.90x = 726,594,983.50
  5. Step 5: Solve for x
    x = 726,594,983.50/30,623.90
  6. Step 6: Final answer
    x = 23,726.40

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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.