Home / 30,120.22-41,566.81-16,690.22

Finding the Fourth Proportional to 30,120.22, 41,566.81 and 16,690.22

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Solution

The fourth proportional to 30,120.22, 41,566.81 and 16,690.22 is: 23,033.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,120.22 : 41,566.81 = 16,690.22 : x
  2. Step 2: Convert to fraction form
    30,120.22/41,566.81 = 16,690.22/x
  3. Step 3: Cross multiply
    30,120.22x = 41,566.81 × 16,690.22
  4. Step 4: Simplify right side
    30,120.22x = 693,759,141.41
  5. Step 5: Solve for x
    x = 693,759,141.41/30,120.22
  6. Step 6: Final answer
    x = 23,033.00

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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.