Home / 39,985.48-59,967.76-11,898

Finding the Fourth Proportional to 39,985.48, 59,967.76 and 11,898

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Solution

The fourth proportional to 39,985.48, 59,967.76 and 11,898 is: 17,843.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,985.48 : 59,967.76 = 11,898 : x
  2. Step 2: Convert to fraction form
    39,985.48/59,967.76 = 11,898/x
  3. Step 3: Cross multiply
    39,985.48x = 59,967.76 × 11,898
  4. Step 4: Simplify right side
    39,985.48x = 713,496,408.48
  5. Step 5: Solve for x
    x = 713,496,408.48/39,985.48
  6. Step 6: Final answer
    x = 17,843.89

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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.