Home / 51,445.53-70,993.67-28,784.57

Finding the Fourth Proportional to 51,445.53, 70,993.67 and 28,784.57

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Solution

The fourth proportional to 51,445.53, 70,993.67 and 28,784.57 is: 39,722.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,445.53 : 70,993.67 = 28,784.57 : x
  2. Step 2: Convert to fraction form
    51,445.53/70,993.67 = 28,784.57/x
  3. Step 3: Cross multiply
    51,445.53x = 70,993.67 × 28,784.57
  4. Step 4: Simplify right side
    51,445.53x = 2,043,521,764.78
  5. Step 5: Solve for x
    x = 2,043,521,764.78/51,445.53
  6. Step 6: Final answer
    x = 39,722.05

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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.