Home / 35,291.42-48,680.75-20,941.79

Finding the Fourth Proportional to 35,291.42, 48,680.75 and 20,941.79

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Solution

The fourth proportional to 35,291.42, 48,680.75 and 20,941.79 is: 28,886.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,291.42 : 48,680.75 = 20,941.79 : x
  2. Step 2: Convert to fraction form
    35,291.42/48,680.75 = 20,941.79/x
  3. Step 3: Cross multiply
    35,291.42x = 48,680.75 × 20,941.79
  4. Step 4: Simplify right side
    35,291.42x = 1,019,462,043.54
  5. Step 5: Solve for x
    x = 1,019,462,043.54/35,291.42
  6. Step 6: Final answer
    x = 28,886.97

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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.