Home / 51,105.60-70,522.56-29,883.60

Finding the Fourth Proportional to 51,105.60, 70,522.56 and 29,883.60

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Solution

The fourth proportional to 51,105.60, 70,522.56 and 29,883.60 is: 41,237.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,105.60 : 70,522.56 = 29,883.60 : x
  2. Step 2: Convert to fraction form
    51,105.60/70,522.56 = 29,883.60/x
  3. Step 3: Cross multiply
    51,105.60x = 70,522.56 × 29,883.60
  4. Step 4: Simplify right side
    51,105.60x = 2,107,467,974.02
  5. Step 5: Solve for x
    x = 2,107,467,974.02/51,105.60
  6. Step 6: Final answer
    x = 41,237.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.