Home / 51,998.16-71,728.56-31,851.84

Finding the Fourth Proportional to 51,998.16, 71,728.56 and 31,851.84

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Solution

The fourth proportional to 51,998.16, 71,728.56 and 31,851.84 is: 43,937.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,998.16 : 71,728.56 = 31,851.84 : x
  2. Step 2: Convert to fraction form
    51,998.16/71,728.56 = 31,851.84/x
  3. Step 3: Cross multiply
    51,998.16x = 71,728.56 × 31,851.84
  4. Step 4: Simplify right side
    51,998.16x = 2,284,686,616.55
  5. Step 5: Solve for x
    x = 2,284,686,616.55/51,998.16
  6. Step 6: Final answer
    x = 43,937.84

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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.