Home / 40,415.13-55,827.33-36,642.54

Finding the Fourth Proportional to 40,415.13, 55,827.33 and 36,642.54

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Solution

The fourth proportional to 40,415.13, 55,827.33 and 36,642.54 is: 50,616.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,415.13 : 55,827.33 = 36,642.54 : x
  2. Step 2: Convert to fraction form
    40,415.13/55,827.33 = 36,642.54/x
  3. Step 3: Cross multiply
    40,415.13x = 55,827.33 × 36,642.54
  4. Step 4: Simplify right side
    40,415.13x = 2,045,655,172.62
  5. Step 5: Solve for x
    x = 2,045,655,172.62/40,415.13
  6. Step 6: Final answer
    x = 50,616.07

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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.