Home / 48,858.96-67,427.02-28,715.55

Finding the Fourth Proportional to 48,858.96, 67,427.02 and 28,715.55

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Solution

The fourth proportional to 48,858.96, 67,427.02 and 28,715.55 is: 39,628.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,858.96 : 67,427.02 = 28,715.55 : x
  2. Step 2: Convert to fraction form
    48,858.96/67,427.02 = 28,715.55/x
  3. Step 3: Cross multiply
    48,858.96x = 67,427.02 × 28,715.55
  4. Step 4: Simplify right side
    48,858.96x = 1,936,203,964.16
  5. Step 5: Solve for x
    x = 1,936,203,964.16/48,858.96
  6. Step 6: Final answer
    x = 39,628.43

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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.