Home / 45,635.56-62,975.16-28,648.66

Finding the Fourth Proportional to 45,635.56, 62,975.16 and 28,648.66

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Solution

The fourth proportional to 45,635.56, 62,975.16 and 28,648.66 is: 39,533.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,635.56 : 62,975.16 = 28,648.66 : x
  2. Step 2: Convert to fraction form
    45,635.56/62,975.16 = 28,648.66/x
  3. Step 3: Cross multiply
    45,635.56x = 62,975.16 × 28,648.66
  4. Step 4: Simplify right side
    45,635.56x = 1,804,153,947.29
  5. Step 5: Solve for x
    x = 1,804,153,947.29/45,635.56
  6. Step 6: Final answer
    x = 39,533.95

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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.