Home / 50,941.47-70,295.70-28,278.67

Finding the Fourth Proportional to 50,941.47, 70,295.70 and 28,278.67

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Solution

The fourth proportional to 50,941.47, 70,295.70 and 28,278.67 is: 39,022.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,941.47 : 70,295.70 = 28,278.67 : x
  2. Step 2: Convert to fraction form
    50,941.47/70,295.70 = 28,278.67/x
  3. Step 3: Cross multiply
    50,941.47x = 70,295.70 × 28,278.67
  4. Step 4: Simplify right side
    50,941.47x = 1,987,868,902.72
  5. Step 5: Solve for x
    x = 1,987,868,902.72/50,941.47
  6. Step 6: Final answer
    x = 39,022.61

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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.