Home / 36,901.80-55,352.70-21,301.20

Finding the Fourth Proportional to 36,901.80, 55,352.70 and 21,301.20

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Solution

The fourth proportional to 36,901.80, 55,352.70 and 21,301.20 is: 31,951.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,901.80 : 55,352.70 = 21,301.20 : x
  2. Step 2: Convert to fraction form
    36,901.80/55,352.70 = 21,301.20/x
  3. Step 3: Cross multiply
    36,901.80x = 55,352.70 × 21,301.20
  4. Step 4: Simplify right side
    36,901.80x = 1,179,078,933.24
  5. Step 5: Solve for x
    x = 1,179,078,933.24/36,901.80
  6. Step 6: Final answer
    x = 31,951.80

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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.