Home / 43,331.07-65,006.33-13,749.87

Finding the Fourth Proportional to 43,331.07, 65,006.33 and 13,749.87

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Solution

The fourth proportional to 43,331.07, 65,006.33 and 13,749.87 is: 20,627.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,331.07 : 65,006.33 = 13,749.87 : x
  2. Step 2: Convert to fraction form
    43,331.07/65,006.33 = 13,749.87/x
  3. Step 3: Cross multiply
    43,331.07x = 65,006.33 × 13,749.87
  4. Step 4: Simplify right side
    43,331.07x = 893,828,586.68
  5. Step 5: Solve for x
    x = 893,828,586.68/43,331.07
  6. Step 6: Final answer
    x = 20,627.89

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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.