Home / 31,261.08-46,891.66-7,889.32

Finding the Fourth Proportional to 31,261.08, 46,891.66 and 7,889.32

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Solution

The fourth proportional to 31,261.08, 46,891.66 and 7,889.32 is: 11,833.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,261.08 : 46,891.66 = 7,889.32 : x
  2. Step 2: Convert to fraction form
    31,261.08/46,891.66 = 7,889.32/x
  3. Step 3: Cross multiply
    31,261.08x = 46,891.66 × 7,889.32
  4. Step 4: Simplify right side
    31,261.08x = 369,943,311.07
  5. Step 5: Solve for x
    x = 369,943,311.07/31,261.08
  6. Step 6: Final answer
    x = 11,833.99

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.