Home / 39,046,435.05-53,883,987.48-21,405,306.54

Finding the Fourth Proportional to 39,046,435.05, 53,883,987.48 and 21,405,306.54

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Solution

The fourth proportional to 39,046,435.05, 53,883,987.48 and 21,405,306.54 is: 29,539,272.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,046,435.05 : 53,883,987.48 = 21,405,306.54 : x
  2. Step 2: Convert to fraction form
    39,046,435.05/53,883,987.48 = 21,405,306.54/x
  3. Step 3: Cross multiply
    39,046,435.05x = 53,883,987.48 × 21,405,306.54
  4. Step 4: Simplify right side
    39,046,435.05x = 1,153,403,269,606,922
  5. Step 5: Solve for x
    x = 1,153,403,269,606,922/39,046,435.05
  6. Step 6: Final answer
    x = 29,539,272.10

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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.