Home / 48,835.20-67,276.80-40,281.60

Finding the Fourth Proportional to 48,835.20, 67,276.80 and 40,281.60

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Solution

The fourth proportional to 48,835.20, 67,276.80 and 40,281.60 is: 55,493.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,835.20 : 67,276.80 = 40,281.60 : x
  2. Step 2: Convert to fraction form
    48,835.20/67,276.80 = 40,281.60/x
  3. Step 3: Cross multiply
    48,835.20x = 67,276.80 × 40,281.60
  4. Step 4: Simplify right side
    48,835.20x = 2,710,017,146.88
  5. Step 5: Solve for x
    x = 2,710,017,146.88/48,835.20
  6. Step 6: Final answer
    x = 55,493.11

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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.