Home / 77,379.36-116,077.40-33,010.80

Finding the Fourth Proportional to 77,379.36, 116,077.40 and 33,010.80

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Solution

The fourth proportional to 77,379.36, 116,077.40 and 33,010.80 is: 49,519.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,379.36 : 116,077.40 = 33,010.80 : x
  2. Step 2: Convert to fraction form
    77,379.36/116,077.40 = 33,010.80/x
  3. Step 3: Cross multiply
    77,379.36x = 116,077.40 × 33,010.80
  4. Step 4: Simplify right side
    77,379.36x = 3,831,807,835.92
  5. Step 5: Solve for x
    x = 3,831,807,835.92/77,379.36
  6. Step 6: Final answer
    x = 49,519.77

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1.5x scale

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.