Home / 38,611.20-53,236.80-26,655.60

Finding the Fourth Proportional to 38,611.20, 53,236.80 and 26,655.60

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Solution

The fourth proportional to 38,611.20, 53,236.80 and 26,655.60 is: 36,752.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,611.20 : 53,236.80 = 26,655.60 : x
  2. Step 2: Convert to fraction form
    38,611.20/53,236.80 = 26,655.60/x
  3. Step 3: Cross multiply
    38,611.20x = 53,236.80 × 26,655.60
  4. Step 4: Simplify right side
    38,611.20x = 1,419,058,846.08
  5. Step 5: Solve for x
    x = 1,419,058,846.08/38,611.20
  6. Step 6: Final answer
    x = 36,752.52

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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.