Home / 40,408.56-55,594.80-35,606.88

Finding the Fourth Proportional to 40,408.56, 55,594.80 and 35,606.88

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Solution

The fourth proportional to 40,408.56, 55,594.80 and 35,606.88 is: 48,988.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,408.56 : 55,594.80 = 35,606.88 : x
  2. Step 2: Convert to fraction form
    40,408.56/55,594.80 = 35,606.88/x
  3. Step 3: Cross multiply
    40,408.56x = 55,594.80 × 35,606.88
  4. Step 4: Simplify right side
    40,408.56x = 1,979,557,372.22
  5. Step 5: Solve for x
    x = 1,979,557,372.22/40,408.56
  6. Step 6: Final answer
    x = 48,988.57

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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.