Home / 50,090.16-69,040.44-39,986.22

Finding the Fourth Proportional to 50,090.16, 69,040.44 and 39,986.22

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Solution

The fourth proportional to 50,090.16, 69,040.44 and 39,986.22 is: 55,113.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,090.16 : 69,040.44 = 39,986.22 : x
  2. Step 2: Convert to fraction form
    50,090.16/69,040.44 = 39,986.22/x
  3. Step 3: Cross multiply
    50,090.16x = 69,040.44 × 39,986.22
  4. Step 4: Simplify right side
    50,090.16x = 2,760,666,222.74
  5. Step 5: Solve for x
    x = 2,760,666,222.74/50,090.16
  6. Step 6: Final answer
    x = 55,113.94

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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.