Home / 31,184.06-46,798.50-12,453.36

Finding the Fourth Proportional to 31,184.06, 46,798.50 and 12,453.36

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Solution

The fourth proportional to 31,184.06, 46,798.50 and 12,453.36 is: 18,688.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,184.06 : 46,798.50 = 12,453.36 : x
  2. Step 2: Convert to fraction form
    31,184.06/46,798.50 = 12,453.36/x
  3. Step 3: Cross multiply
    31,184.06x = 46,798.50 × 12,453.36
  4. Step 4: Simplify right side
    31,184.06x = 582,798,567.96
  5. Step 5: Solve for x
    x = 582,798,567.96/31,184.06
  6. Step 6: Final answer
    x = 18,688.99

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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.