Home / 30,624.40-42,259.08-17,194.60

Finding the Fourth Proportional to 30,624.40, 42,259.08 and 17,194.60

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Solution

The fourth proportional to 30,624.40, 42,259.08 and 17,194.60 is: 23,727.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,624.40 : 42,259.08 = 17,194.60 : x
  2. Step 2: Convert to fraction form
    30,624.40/42,259.08 = 17,194.60/x
  3. Step 3: Cross multiply
    30,624.40x = 42,259.08 × 17,194.60
  4. Step 4: Simplify right side
    30,624.40x = 726,627,976.97
  5. Step 5: Solve for x
    x = 726,627,976.97/30,624.40
  6. Step 6: Final answer
    x = 23,727.09

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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.