Home / 48,212.40-72,318.60-43,303.80

Finding the Fourth Proportional to 48,212.40, 72,318.60 and 43,303.80

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Solution

The fourth proportional to 48,212.40, 72,318.60 and 43,303.80 is: 64,955.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,212.40 : 72,318.60 = 43,303.80 : x
  2. Step 2: Convert to fraction form
    48,212.40/72,318.60 = 43,303.80/x
  3. Step 3: Cross multiply
    48,212.40x = 72,318.60 × 43,303.80
  4. Step 4: Simplify right side
    48,212.40x = 3,131,670,190.68
  5. Step 5: Solve for x
    x = 3,131,670,190.68/48,212.40
  6. Step 6: Final answer
    x = 64,955.70

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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.