Home / 50,959.21-70,321.34-28,299.64

Finding the Fourth Proportional to 50,959.21, 70,321.34 and 28,299.64

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Solution

The fourth proportional to 50,959.21, 70,321.34 and 28,299.64 is: 39,052.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,959.21 : 70,321.34 = 28,299.64 : x
  2. Step 2: Convert to fraction form
    50,959.21/70,321.34 = 28,299.64/x
  3. Step 3: Cross multiply
    50,959.21x = 70,321.34 × 28,299.64
  4. Step 4: Simplify right side
    50,959.21x = 1,990,068,254.71
  5. Step 5: Solve for x
    x = 1,990,068,254.71/50,959.21
  6. Step 6: Final answer
    x = 39,052.18

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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.