Home / 34,220.60-51,330.90-27,999.80

Finding the Fourth Proportional to 34,220.60, 51,330.90 and 27,999.80

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Solution

The fourth proportional to 34,220.60, 51,330.90 and 27,999.80 is: 41,999.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,220.60 : 51,330.90 = 27,999.80 : x
  2. Step 2: Convert to fraction form
    34,220.60/51,330.90 = 27,999.80/x
  3. Step 3: Cross multiply
    34,220.60x = 51,330.90 × 27,999.80
  4. Step 4: Simplify right side
    34,220.60x = 1,437,254,933.82
  5. Step 5: Solve for x
    x = 1,437,254,933.82/34,220.60
  6. Step 6: Final answer
    x = 41,999.70

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1.5x scale

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.