Home / 31,129.80-46,548.90-23,256.60

Finding the Fourth Proportional to 31,129.80, 46,548.90 and 23,256.60

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Solution

The fourth proportional to 31,129.80, 46,548.90 and 23,256.60 is: 34,775.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,129.80 : 46,548.90 = 23,256.60 : x
  2. Step 2: Convert to fraction form
    31,129.80/46,548.90 = 23,256.60/x
  3. Step 3: Cross multiply
    31,129.80x = 46,548.90 × 23,256.60
  4. Step 4: Simplify right side
    31,129.80x = 1,082,569,147.74
  5. Step 5: Solve for x
    x = 1,082,569,147.74/31,129.80
  6. Step 6: Final answer
    x = 34,775.98

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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.