Home / 35,668.51-49,222.44-20,561.09

Finding the Fourth Proportional to 35,668.51, 49,222.44 and 20,561.09

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Solution

The fourth proportional to 35,668.51, 49,222.44 and 20,561.09 is: 28,374.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,668.51 : 49,222.44 = 20,561.09 : x
  2. Step 2: Convert to fraction form
    35,668.51/49,222.44 = 20,561.09/x
  3. Step 3: Cross multiply
    35,668.51x = 49,222.44 × 20,561.09
  4. Step 4: Simplify right side
    35,668.51x = 1,012,066,772.75
  5. Step 5: Solve for x
    x = 1,012,066,772.75/35,668.51
  6. Step 6: Final answer
    x = 28,374.24

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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.