Home / 35,768.28-49,362.59-20,661.58

Finding the Fourth Proportional to 35,768.28, 49,362.59 and 20,661.58

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Solution

The fourth proportional to 35,768.28, 49,362.59 and 20,661.58 is: 28,514.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,768.28 : 49,362.59 = 20,661.58 : x
  2. Step 2: Convert to fraction form
    35,768.28/49,362.59 = 20,661.58/x
  3. Step 3: Cross multiply
    35,768.28x = 49,362.59 × 20,661.58
  4. Step 4: Simplify right side
    35,768.28x = 1,019,909,102.29
  5. Step 5: Solve for x
    x = 1,019,909,102.29/35,768.28
  6. Step 6: Final answer
    x = 28,514.35

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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.