Home / 30,202.04-41,664.35-21,254.51

Finding the Fourth Proportional to 30,202.04, 41,664.35 and 21,254.51

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Solution

The fourth proportional to 30,202.04, 41,664.35 and 21,254.51 is: 29,321.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,202.04 : 41,664.35 = 21,254.51 : x
  2. Step 2: Convert to fraction form
    30,202.04/41,664.35 = 21,254.51/x
  3. Step 3: Cross multiply
    30,202.04x = 41,664.35 × 21,254.51
  4. Step 4: Simplify right side
    30,202.04x = 885,555,029.12
  5. Step 5: Solve for x
    x = 885,555,029.12/30,202.04
  6. Step 6: Final answer
    x = 29,321.04

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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.