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Finding the Fourth Proportional to 48,608.64, 72,928.08 and 41,266.80

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Solution

The fourth proportional to 48,608.64, 72,928.08 and 41,266.80 is: 61,913.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,608.64 : 72,928.08 = 41,266.80 : x
  2. Step 2: Convert to fraction form
    48,608.64/72,928.08 = 41,266.80/x
  3. Step 3: Cross multiply
    48,608.64x = 72,928.08 × 41,266.80
  4. Step 4: Simplify right side
    48,608.64x = 3,009,508,491.74
  5. Step 5: Solve for x
    x = 3,009,508,491.74/48,608.64
  6. Step 6: Final answer
    x = 61,913.04

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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.