Home / 31,025.52-46,539.15-11,318.79

Finding the Fourth Proportional to 31,025.52, 46,539.15 and 11,318.79

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Solution

The fourth proportional to 31,025.52, 46,539.15 and 11,318.79 is: 16,978.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,025.52 : 46,539.15 = 11,318.79 : x
  2. Step 2: Convert to fraction form
    31,025.52/46,539.15 = 11,318.79/x
  3. Step 3: Cross multiply
    31,025.52x = 46,539.15 × 11,318.79
  4. Step 4: Simplify right side
    31,025.52x = 526,766,865.63
  5. Step 5: Solve for x
    x = 526,766,865.63/31,025.52
  6. Step 6: Final answer
    x = 16,978.50

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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.