Home / 46,172.16-69,230.52-21,180.89

Finding the Fourth Proportional to 46,172.16, 69,230.52 and 21,180.89

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Solution

The fourth proportional to 46,172.16, 69,230.52 and 21,180.89 is: 31,758.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,172.16 : 69,230.52 = 21,180.89 : x
  2. Step 2: Convert to fraction form
    46,172.16/69,230.52 = 21,180.89/x
  3. Step 3: Cross multiply
    46,172.16x = 69,230.52 × 21,180.89
  4. Step 4: Simplify right side
    46,172.16x = 1,466,364,201.84
  5. Step 5: Solve for x
    x = 1,466,364,201.84/46,172.16
  6. Step 6: Final answer
    x = 31,758.62

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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.