Home / 40,036.23-55,214.20-33,219.45

Finding the Fourth Proportional to 40,036.23, 55,214.20 and 33,219.45

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Solution

The fourth proportional to 40,036.23, 55,214.20 and 33,219.45 is: 45,813.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,036.23 : 55,214.20 = 33,219.45 : x
  2. Step 2: Convert to fraction form
    40,036.23/55,214.20 = 33,219.45/x
  3. Step 3: Cross multiply
    40,036.23x = 55,214.20 × 33,219.45
  4. Step 4: Simplify right side
    40,036.23x = 1,834,185,190.09
  5. Step 5: Solve for x
    x = 1,834,185,190.09/40,036.23
  6. Step 6: Final answer
    x = 45,813.13

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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.