Home / 30,622.60-42,255.90-17,195.32

Finding the Fourth Proportional to 30,622.60, 42,255.90 and 17,195.32

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Solution

The fourth proportional to 30,622.60, 42,255.90 and 17,195.32 is: 23,727.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,622.60 : 42,255.90 = 17,195.32 : x
  2. Step 2: Convert to fraction form
    30,622.60/42,255.90 = 17,195.32/x
  3. Step 3: Cross multiply
    30,622.60x = 42,255.90 × 17,195.32
  4. Step 4: Simplify right side
    30,622.60x = 726,603,722.39
  5. Step 5: Solve for x
    x = 726,603,722.39/30,622.60
  6. Step 6: Final answer
    x = 23,727.70

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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.