Home / 43,884.51-65,863.63-18,943.40

Finding the Fourth Proportional to 43,884.51, 65,863.63 and 18,943.40

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Solution

The fourth proportional to 43,884.51, 65,863.63 and 18,943.40 is: 28,431.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,884.51 : 65,863.63 = 18,943.40 : x
  2. Step 2: Convert to fraction form
    43,884.51/65,863.63 = 18,943.40/x
  3. Step 3: Cross multiply
    43,884.51x = 65,863.63 × 18,943.40
  4. Step 4: Simplify right side
    43,884.51x = 1,247,681,088.54
  5. Step 5: Solve for x
    x = 1,247,681,088.54/43,884.51
  6. Step 6: Final answer
    x = 28,431.01

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.