Home / 33,821.01-46,644.36-20,389.32

Finding the Fourth Proportional to 33,821.01, 46,644.36 and 20,389.32

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Solution

The fourth proportional to 33,821.01, 46,644.36 and 20,389.32 is: 28,120.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,821.01 : 46,644.36 = 20,389.32 : x
  2. Step 2: Convert to fraction form
    33,821.01/46,644.36 = 20,389.32/x
  3. Step 3: Cross multiply
    33,821.01x = 46,644.36 × 20,389.32
  4. Step 4: Simplify right side
    33,821.01x = 951,046,782.24
  5. Step 5: Solve for x
    x = 951,046,782.24/33,821.01
  6. Step 6: Final answer
    x = 28,120.00

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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.