Home / 40,189.14-55,455.08-22,284.28

Finding the Fourth Proportional to 40,189.14, 55,455.08 and 22,284.28

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Solution

The fourth proportional to 40,189.14, 55,455.08 and 22,284.28 is: 30,749.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,189.14 : 55,455.08 = 22,284.28 : x
  2. Step 2: Convert to fraction form
    40,189.14/55,455.08 = 22,284.28/x
  3. Step 3: Cross multiply
    40,189.14x = 55,455.08 × 22,284.28
  4. Step 4: Simplify right side
    40,189.14x = 1,235,776,447.22
  5. Step 5: Solve for x
    x = 1,235,776,447.22/40,189.14
  6. Step 6: Final answer
    x = 30,749.01

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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.