Home / 36,201.40-54,302.10-21,402.70

Finding the Fourth Proportional to 36,201.40, 54,302.10 and 21,402.70

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Solution

The fourth proportional to 36,201.40, 54,302.10 and 21,402.70 is: 32,104.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,201.40 : 54,302.10 = 21,402.70 : x
  2. Step 2: Convert to fraction form
    36,201.40/54,302.10 = 21,402.70/x
  3. Step 3: Cross multiply
    36,201.40x = 54,302.10 × 21,402.70
  4. Step 4: Simplify right side
    36,201.40x = 1,162,211,555.67
  5. Step 5: Solve for x
    x = 1,162,211,555.67/36,201.40
  6. Step 6: Final answer
    x = 32,104.05

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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.