Home / 34,128.40-51,192.60-31,066.60

Finding the Fourth Proportional to 34,128.40, 51,192.60 and 31,066.60

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Solution

The fourth proportional to 34,128.40, 51,192.60 and 31,066.60 is: 46,599.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,128.40 : 51,192.60 = 31,066.60 : x
  2. Step 2: Convert to fraction form
    34,128.40/51,192.60 = 31,066.60/x
  3. Step 3: Cross multiply
    34,128.40x = 51,192.60 × 31,066.60
  4. Step 4: Simplify right side
    34,128.40x = 1,590,380,027.16
  5. Step 5: Solve for x
    x = 1,590,380,027.16/34,128.40
  6. Step 6: Final answer
    x = 46,599.90

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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.