Home / 36,065.64-49,762.06-20,949.32

Finding the Fourth Proportional to 36,065.64, 49,762.06 and 20,949.32

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Solution

The fourth proportional to 36,065.64, 49,762.06 and 20,949.32 is: 28,905.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,065.64 : 49,762.06 = 20,949.32 : x
  2. Step 2: Convert to fraction form
    36,065.64/49,762.06 = 20,949.32/x
  3. Step 3: Cross multiply
    36,065.64x = 49,762.06 × 20,949.32
  4. Step 4: Simplify right side
    36,065.64x = 1,042,481,318.80
  5. Step 5: Solve for x
    x = 1,042,481,318.80/36,065.64
  6. Step 6: Final answer
    x = 28,905.11

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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.