Home / 35,840.35-53,726.95-12,131.30

Finding the Fourth Proportional to 35,840.35, 53,726.95 and 12,131.30

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Solution

The fourth proportional to 35,840.35, 53,726.95 and 12,131.30 is: 18,185.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,840.35 : 53,726.95 = 12,131.30 : x
  2. Step 2: Convert to fraction form
    35,840.35/53,726.95 = 12,131.30/x
  3. Step 3: Cross multiply
    35,840.35x = 53,726.95 × 12,131.30
  4. Step 4: Simplify right side
    35,840.35x = 651,777,891.52
  5. Step 5: Solve for x
    x = 651,777,891.52/35,840.35
  6. Step 6: Final answer
    x = 18,185.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.