Home / 32,758.86-45,194.09-20,655.36

Finding the Fourth Proportional to 32,758.86, 45,194.09 and 20,655.36

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Solution

The fourth proportional to 32,758.86, 45,194.09 and 20,655.36 is: 28,496.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,758.86 : 45,194.09 = 20,655.36 : x
  2. Step 2: Convert to fraction form
    32,758.86/45,194.09 = 20,655.36/x
  3. Step 3: Cross multiply
    32,758.86x = 45,194.09 × 20,655.36
  4. Step 4: Simplify right side
    32,758.86x = 933,500,198.82
  5. Step 5: Solve for x
    x = 933,500,198.82/32,758.86
  6. Step 6: Final answer
    x = 28,496.11

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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.