Home / 36,965.07-51,007.86-21,858.30

Finding the Fourth Proportional to 36,965.07, 51,007.86 and 21,858.30

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Solution

The fourth proportional to 36,965.07, 51,007.86 and 21,858.30 is: 30,162.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,965.07 : 51,007.86 = 21,858.30 : x
  2. Step 2: Convert to fraction form
    36,965.07/51,007.86 = 21,858.30/x
  3. Step 3: Cross multiply
    36,965.07x = 51,007.86 × 21,858.30
  4. Step 4: Simplify right side
    36,965.07x = 1,114,945,106.24
  5. Step 5: Solve for x
    x = 1,114,945,106.24/36,965.07
  6. Step 6: Final answer
    x = 30,162.13

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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.