Home / 39,020,313.84-53,851,339.85-21,622,116.48

Finding the Fourth Proportional to 39,020,313.84, 53,851,339.85 and 21,622,116.48

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Solution

The fourth proportional to 39,020,313.84, 53,851,339.85 and 21,622,116.48 is: 29,840,353.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,020,313.84 : 53,851,339.85 = 21,622,116.48 : x
  2. Step 2: Convert to fraction form
    39,020,313.84/53,851,339.85 = 21,622,116.48/x
  3. Step 3: Cross multiply
    39,020,313.84x = 53,851,339.85 × 21,622,116.48
  4. Step 4: Simplify right side
    39,020,313.84x = 1,164,379,942,840,765.75
  5. Step 5: Solve for x
    x = 1,164,379,942,840,765.75/39,020,313.84
  6. Step 6: Final answer
    x = 29,840,353.09

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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.