Home / 45,940.64-63,396.47-28,065.56

Finding the Fourth Proportional to 45,940.64, 63,396.47 and 28,065.56

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Solution

The fourth proportional to 45,940.64, 63,396.47 and 28,065.56 is: 38,729.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,940.64 : 63,396.47 = 28,065.56 : x
  2. Step 2: Convert to fraction form
    45,940.64/63,396.47 = 28,065.56/x
  3. Step 3: Cross multiply
    45,940.64x = 63,396.47 × 28,065.56
  4. Step 4: Simplify right side
    45,940.64x = 1,779,257,185.75
  5. Step 5: Solve for x
    x = 1,779,257,185.75/45,940.64
  6. Step 6: Final answer
    x = 38,729.49

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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.