Home / 49,479.42-68,274.18-28,254.18

Finding the Fourth Proportional to 49,479.42, 68,274.18 and 28,254.18

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Solution

The fourth proportional to 49,479.42, 68,274.18 and 28,254.18 is: 38,986.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,479.42 : 68,274.18 = 28,254.18 : x
  2. Step 2: Convert to fraction form
    49,479.42/68,274.18 = 28,254.18/x
  3. Step 3: Cross multiply
    49,479.42x = 68,274.18 × 28,254.18
  4. Step 4: Simplify right side
    49,479.42x = 1,929,030,971.07
  5. Step 5: Solve for x
    x = 1,929,030,971.07/49,479.42
  6. Step 6: Final answer
    x = 38,986.53

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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.