Home / 31,969,448.49-44,121,879.60-20,965,455.93

Finding the Fourth Proportional to 31,969,448.49, 44,121,879.60 and 20,965,455.93

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Solution

The fourth proportional to 31,969,448.49, 44,121,879.60 and 20,965,455.93 is: 28,934,979.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,969,448.49 : 44,121,879.60 = 20,965,455.93 : x
  2. Step 2: Convert to fraction form
    31,969,448.49/44,121,879.60 = 20,965,455.93/x
  3. Step 3: Cross multiply
    31,969,448.49x = 44,121,879.60 × 20,965,455.93
  4. Step 4: Simplify right side
    31,969,448.49x = 925,035,322,302,566
  5. Step 5: Solve for x
    x = 925,035,322,302,566/31,969,448.49
  6. Step 6: Final answer
    x = 28,934,979.05

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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.