Home / 48,436.20-72,524.70-30,810.60

Finding the Fourth Proportional to 48,436.20, 72,524.70 and 30,810.60

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Solution

The fourth proportional to 48,436.20, 72,524.70 and 30,810.60 is: 46,133.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,436.20 : 72,524.70 = 30,810.60 : x
  2. Step 2: Convert to fraction form
    48,436.20/72,524.70 = 30,810.60/x
  3. Step 3: Cross multiply
    48,436.20x = 72,524.70 × 30,810.60
  4. Step 4: Simplify right side
    48,436.20x = 2,234,529,521.82
  5. Step 5: Solve for x
    x = 2,234,529,521.82/48,436.20
  6. Step 6: Final answer
    x = 46,133.46

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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.