Home / 40,530.30-55,879.80-33,235.52

Finding the Fourth Proportional to 40,530.30, 55,879.80 and 33,235.52

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Solution

The fourth proportional to 40,530.30, 55,879.80 and 33,235.52 is: 45,822.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,530.30 : 55,879.80 = 33,235.52 : x
  2. Step 2: Convert to fraction form
    40,530.30/55,879.80 = 33,235.52/x
  3. Step 3: Cross multiply
    40,530.30x = 55,879.80 × 33,235.52
  4. Step 4: Simplify right side
    40,530.30x = 1,857,194,210.50
  5. Step 5: Solve for x
    x = 1,857,194,210.50/40,530.30
  6. Step 6: Final answer
    x = 45,822.37

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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.