Home / 37,418.95-51,647.02-21,512.64

Finding the Fourth Proportional to 37,418.95, 51,647.02 and 21,512.64

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Solution

The fourth proportional to 37,418.95, 51,647.02 and 21,512.64 is: 29,692.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,418.95 : 51,647.02 = 21,512.64 : x
  2. Step 2: Convert to fraction form
    37,418.95/51,647.02 = 21,512.64/x
  3. Step 3: Cross multiply
    37,418.95x = 51,647.02 × 21,512.64
  4. Step 4: Simplify right side
    37,418.95x = 1,111,063,640.77
  5. Step 5: Solve for x
    x = 1,111,063,640.77/37,418.95
  6. Step 6: Final answer
    x = 29,692.54

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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.