Home / 37,221.54-51,365.79-20,225.63

Finding the Fourth Proportional to 37,221.54, 51,365.79 and 20,225.63

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Solution

The fourth proportional to 37,221.54, 51,365.79 and 20,225.63 is: 27,911.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,221.54 : 51,365.79 = 20,225.63 : x
  2. Step 2: Convert to fraction form
    37,221.54/51,365.79 = 20,225.63/x
  3. Step 3: Cross multiply
    37,221.54x = 51,365.79 × 20,225.63
  4. Step 4: Simplify right side
    37,221.54x = 1,038,905,206.37
  5. Step 5: Solve for x
    x = 1,038,905,206.37/37,221.54
  6. Step 6: Final answer
    x = 27,911.40

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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.