Home / 45,950.93-68,935.63-20,984.28

Finding the Fourth Proportional to 45,950.93, 68,935.63 and 20,984.28

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Solution

The fourth proportional to 45,950.93, 68,935.63 and 20,984.28 is: 31,480.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,950.93 : 68,935.63 = 20,984.28 : x
  2. Step 2: Convert to fraction form
    45,950.93/68,935.63 = 20,984.28/x
  3. Step 3: Cross multiply
    45,950.93x = 68,935.63 × 20,984.28
  4. Step 4: Simplify right side
    45,950.93x = 1,446,564,561.90
  5. Step 5: Solve for x
    x = 1,446,564,561.90/45,950.93
  6. Step 6: Final answer
    x = 31,480.64

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.