Home / 37,154.60-51,273.35-21,239.40

Finding the Fourth Proportional to 37,154.60, 51,273.35 and 21,239.40

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Solution

The fourth proportional to 37,154.60, 51,273.35 and 21,239.40 is: 29,310.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,154.60 : 51,273.35 = 21,239.40 : x
  2. Step 2: Convert to fraction form
    37,154.60/51,273.35 = 21,239.40/x
  3. Step 3: Cross multiply
    37,154.60x = 51,273.35 × 21,239.40
  4. Step 4: Simplify right side
    37,154.60x = 1,089,015,189.99
  5. Step 5: Solve for x
    x = 1,089,015,189.99/37,154.60
  6. Step 6: Final answer
    x = 29,310.37

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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.