Home / 36,720.45-50,673.40-21,409.83

Finding the Fourth Proportional to 36,720.45, 50,673.40 and 21,409.83

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Solution

The fourth proportional to 36,720.45, 50,673.40 and 21,409.83 is: 29,545.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,720.45 : 50,673.40 = 21,409.83 : x
  2. Step 2: Convert to fraction form
    36,720.45/50,673.40 = 21,409.83/x
  3. Step 3: Cross multiply
    36,720.45x = 50,673.40 × 21,409.83
  4. Step 4: Simplify right side
    36,720.45x = 1,084,908,826.00
  5. Step 5: Solve for x
    x = 1,084,908,826.00/36,720.45
  6. Step 6: Final answer
    x = 29,545.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.