Home / 39,027,040.48-53,855,501.51-21,385,838.26

Finding the Fourth Proportional to 39,027,040.48, 53,855,501.51 and 21,385,838.26

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Solution

The fourth proportional to 39,027,040.48, 53,855,501.51 and 21,385,838.26 is: 29,511,462.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,027,040.48 : 53,855,501.51 = 21,385,838.26 : x
  2. Step 2: Convert to fraction form
    39,027,040.48/53,855,501.51 = 21,385,838.26/x
  3. Step 3: Cross multiply
    39,027,040.48x = 53,855,501.51 × 21,385,838.26
  4. Step 4: Simplify right side
    39,027,040.48x = 1,151,745,044,622,871.75
  5. Step 5: Solve for x
    x = 1,151,745,044,622,871.75/39,027,040.48
  6. Step 6: Final answer
    x = 29,511,462.58

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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.