Home / 36,689.10-54,924.30-21,890.40

Finding the Fourth Proportional to 36,689.10, 54,924.30 and 21,890.40

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Solution

The fourth proportional to 36,689.10, 54,924.30 and 21,890.40 is: 32,770.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,689.10 : 54,924.30 = 21,890.40 : x
  2. Step 2: Convert to fraction form
    36,689.10/54,924.30 = 21,890.40/x
  3. Step 3: Cross multiply
    36,689.10x = 54,924.30 × 21,890.40
  4. Step 4: Simplify right side
    36,689.10x = 1,202,314,896.72
  5. Step 5: Solve for x
    x = 1,202,314,896.72/36,689.10
  6. Step 6: Final answer
    x = 32,770.36

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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.