Home / 50,867.56-70,201.40-28,213.68

Finding the Fourth Proportional to 50,867.56, 70,201.40 and 28,213.68

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Solution

The fourth proportional to 50,867.56, 70,201.40 and 28,213.68 is: 38,937.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,867.56 : 70,201.40 = 28,213.68 : x
  2. Step 2: Convert to fraction form
    50,867.56/70,201.40 = 28,213.68/x
  3. Step 3: Cross multiply
    50,867.56x = 70,201.40 × 28,213.68
  4. Step 4: Simplify right side
    50,867.56x = 1,980,639,835.15
  5. Step 5: Solve for x
    x = 1,980,639,835.15/50,867.56
  6. Step 6: Final answer
    x = 38,937.19

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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.