Home / 31,718.46-47,577.69-13,237.50

Finding the Fourth Proportional to 31,718.46, 47,577.69 and 13,237.50

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Solution

The fourth proportional to 31,718.46, 47,577.69 and 13,237.50 is: 19,856.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,718.46 : 47,577.69 = 13,237.50 : x
  2. Step 2: Convert to fraction form
    31,718.46/47,577.69 = 13,237.50/x
  3. Step 3: Cross multiply
    31,718.46x = 47,577.69 × 13,237.50
  4. Step 4: Simplify right side
    31,718.46x = 629,809,671.38
  5. Step 5: Solve for x
    x = 629,809,671.38/31,718.46
  6. Step 6: Final answer
    x = 19,856.25

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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.