Home / 36,205.40-54,308.10-21,406.70

Finding the Fourth Proportional to 36,205.40, 54,308.10 and 21,406.70

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Solution

The fourth proportional to 36,205.40, 54,308.10 and 21,406.70 is: 32,110.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,205.40 : 54,308.10 = 21,406.70 : x
  2. Step 2: Convert to fraction form
    36,205.40/54,308.10 = 21,406.70/x
  3. Step 3: Cross multiply
    36,205.40x = 54,308.10 × 21,406.70
  4. Step 4: Simplify right side
    36,205.40x = 1,162,557,204.27
  5. Step 5: Solve for x
    x = 1,162,557,204.27/36,205.40
  6. Step 6: Final answer
    x = 32,110.05

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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.