Home / 43,486.54-65,237.91-13,911.82

Finding the Fourth Proportional to 43,486.54, 65,237.91 and 13,911.82

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Solution

The fourth proportional to 43,486.54, 65,237.91 and 13,911.82 is: 20,870.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,486.54 : 65,237.91 = 13,911.82 : x
  2. Step 2: Convert to fraction form
    43,486.54/65,237.91 = 13,911.82/x
  3. Step 3: Cross multiply
    43,486.54x = 65,237.91 × 13,911.82
  4. Step 4: Simplify right side
    43,486.54x = 907,578,061.10
  5. Step 5: Solve for x
    x = 907,578,061.10/43,486.54
  6. Step 6: Final answer
    x = 20,870.32

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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.