Home / 36,783.62-55,230.77-21,006.45

Finding the Fourth Proportional to 36,783.62, 55,230.77 and 21,006.45

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Solution

The fourth proportional to 36,783.62, 55,230.77 and 21,006.45 is: 31,541.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,783.62 : 55,230.77 = 21,006.45 : x
  2. Step 2: Convert to fraction form
    36,783.62/55,230.77 = 21,006.45/x
  3. Step 3: Cross multiply
    36,783.62x = 55,230.77 × 21,006.45
  4. Step 4: Simplify right side
    36,783.62x = 1,160,202,303.43
  5. Step 5: Solve for x
    x = 1,160,202,303.43/36,783.62
  6. Step 6: Final answer
    x = 31,541.28

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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.