Home / 49,038.55-67,672.56-28,896.28

Finding the Fourth Proportional to 49,038.55, 67,672.56 and 28,896.28

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Solution

The fourth proportional to 49,038.55, 67,672.56 and 28,896.28 is: 39,876.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,038.55 : 67,672.56 = 28,896.28 : x
  2. Step 2: Convert to fraction form
    49,038.55/67,672.56 = 28,896.28/x
  3. Step 3: Cross multiply
    49,038.55x = 67,672.56 × 28,896.28
  4. Step 4: Simplify right side
    49,038.55x = 1,955,485,181.26
  5. Step 5: Solve for x
    x = 1,955,485,181.26/49,038.55
  6. Step 6: Final answer
    x = 39,876.49

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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.