Home / 31,018.46-46,501.41-14,145.43

Finding the Fourth Proportional to 31,018.46, 46,501.41 and 14,145.43

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Solution

The fourth proportional to 31,018.46, 46,501.41 and 14,145.43 is: 21,206.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,018.46 : 46,501.41 = 14,145.43 : x
  2. Step 2: Convert to fraction form
    31,018.46/46,501.41 = 14,145.43/x
  3. Step 3: Cross multiply
    31,018.46x = 46,501.41 × 14,145.43
  4. Step 4: Simplify right side
    31,018.46x = 657,782,573.66
  5. Step 5: Solve for x
    x = 657,782,573.66/31,018.46
  6. Step 6: Final answer
    x = 21,206.17

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