Home / 31,200.53-46,774.46-14,551.79

Finding the Fourth Proportional to 31,200.53, 46,774.46 and 14,551.79

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Solution

The fourth proportional to 31,200.53, 46,774.46 and 14,551.79 is: 21,815.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,200.53 : 46,774.46 = 14,551.79 : x
  2. Step 2: Convert to fraction form
    31,200.53/46,774.46 = 14,551.79/x
  3. Step 3: Cross multiply
    31,200.53x = 46,774.46 × 14,551.79
  4. Step 4: Simplify right side
    31,200.53x = 680,651,921.79
  5. Step 5: Solve for x
    x = 680,651,921.79/31,200.53
  6. Step 6: Final answer
    x = 21,815.40

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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.