Home / 50,891.16-70,234.02-28,235.64

Finding the Fourth Proportional to 50,891.16, 70,234.02 and 28,235.64

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Solution

The fourth proportional to 50,891.16, 70,234.02 and 28,235.64 is: 38,967.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,891.16 : 70,234.02 = 28,235.64 : x
  2. Step 2: Convert to fraction form
    50,891.16/70,234.02 = 28,235.64/x
  3. Step 3: Cross multiply
    50,891.16x = 70,234.02 × 28,235.64
  4. Step 4: Simplify right side
    50,891.16x = 1,983,102,504.47
  5. Step 5: Solve for x
    x = 1,983,102,504.47/50,891.16
  6. Step 6: Final answer
    x = 38,967.52

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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.