Home / 49,701.42-68,590.35-28,480.74

Finding the Fourth Proportional to 49,701.42, 68,590.35 and 28,480.74

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Solution

The fourth proportional to 49,701.42, 68,590.35 and 28,480.74 is: 39,304.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,701.42 : 68,590.35 = 28,480.74 : x
  2. Step 2: Convert to fraction form
    49,701.42/68,590.35 = 28,480.74/x
  3. Step 3: Cross multiply
    49,701.42x = 68,590.35 × 28,480.74
  4. Step 4: Simplify right side
    49,701.42x = 1,953,503,924.86
  5. Step 5: Solve for x
    x = 1,953,503,924.86/49,701.42
  6. Step 6: Final answer
    x = 39,304.79

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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.