Home / 35,920.90-49,557.21-21,768.58

Finding the Fourth Proportional to 35,920.90, 49,557.21 and 21,768.58

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Solution

The fourth proportional to 35,920.90, 49,557.21 and 21,768.58 is: 30,032.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,920.90 : 49,557.21 = 21,768.58 : x
  2. Step 2: Convert to fraction form
    35,920.90/49,557.21 = 21,768.58/x
  3. Step 3: Cross multiply
    35,920.90x = 49,557.21 × 21,768.58
  4. Step 4: Simplify right side
    35,920.90x = 1,078,790,090.46
  5. Step 5: Solve for x
    x = 1,078,790,090.46/35,920.90
  6. Step 6: Final answer
    x = 30,032.38

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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.