Home / 35,940.56-49,595.10-21,801.20

Finding the Fourth Proportional to 35,940.56, 49,595.10 and 21,801.20

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Solution

The fourth proportional to 35,940.56, 49,595.10 and 21,801.20 is: 30,083.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,940.56 : 49,595.10 = 21,801.20 : x
  2. Step 2: Convert to fraction form
    35,940.56/49,595.10 = 21,801.20/x
  3. Step 3: Cross multiply
    35,940.56x = 49,595.10 × 21,801.20
  4. Step 4: Simplify right side
    35,940.56x = 1,081,232,694.12
  5. Step 5: Solve for x
    x = 1,081,232,694.12/35,940.56
  6. Step 6: Final answer
    x = 30,083.91

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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.