Home / 37,692.78-52,012.50-21,775.08

Finding the Fourth Proportional to 37,692.78, 52,012.50 and 21,775.08

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Solution

The fourth proportional to 37,692.78, 52,012.50 and 21,775.08 is: 30,047.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,692.78 : 52,012.50 = 21,775.08 : x
  2. Step 2: Convert to fraction form
    37,692.78/52,012.50 = 21,775.08/x
  3. Step 3: Cross multiply
    37,692.78x = 52,012.50 × 21,775.08
  4. Step 4: Simplify right side
    37,692.78x = 1,132,576,348.50
  5. Step 5: Solve for x
    x = 1,132,576,348.50/37,692.78
  6. Step 6: Final answer
    x = 30,047.57

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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.