Home / 37,323.75-51,506.78-20,556.75

Finding the Fourth Proportional to 37,323.75, 51,506.78 and 20,556.75

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Solution

The fourth proportional to 37,323.75, 51,506.78 and 20,556.75 is: 28,368.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,323.75 : 51,506.78 = 20,556.75 : x
  2. Step 2: Convert to fraction form
    37,323.75/51,506.78 = 20,556.75/x
  3. Step 3: Cross multiply
    37,323.75x = 51,506.78 × 20,556.75
  4. Step 4: Simplify right side
    37,323.75x = 1,058,811,999.77
  5. Step 5: Solve for x
    x = 1,058,811,999.77/37,323.75
  6. Step 6: Final answer
    x = 28,368.32

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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.