Home / 36,161.10-54,241.65-21,386.70

Finding the Fourth Proportional to 36,161.10, 54,241.65 and 21,386.70

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Solution

The fourth proportional to 36,161.10, 54,241.65 and 21,386.70 is: 32,080.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,161.10 : 54,241.65 = 21,386.70 : x
  2. Step 2: Convert to fraction form
    36,161.10/54,241.65 = 21,386.70/x
  3. Step 3: Cross multiply
    36,161.10x = 54,241.65 × 21,386.70
  4. Step 4: Simplify right side
    36,161.10x = 1,160,049,896.06
  5. Step 5: Solve for x
    x = 1,160,049,896.06/36,161.10
  6. Step 6: Final answer
    x = 32,080.05

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1.5x scale

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.