Home / 43,778.36-60,439.02-28,917.56

Finding the Fourth Proportional to 43,778.36, 60,439.02 and 28,917.56

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Solution

The fourth proportional to 43,778.36, 60,439.02 and 28,917.56 is: 39,922.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,778.36 : 60,439.02 = 28,917.56 : x
  2. Step 2: Convert to fraction form
    43,778.36/60,439.02 = 28,917.56/x
  3. Step 3: Cross multiply
    43,778.36x = 60,439.02 × 28,917.56
  4. Step 4: Simplify right side
    43,778.36x = 1,747,748,987.19
  5. Step 5: Solve for x
    x = 1,747,748,987.19/43,778.36
  6. Step 6: Final answer
    x = 39,922.67

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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.