Home / 34,447.18-51,660.50-13,390.49

Finding the Fourth Proportional to 34,447.18, 51,660.50 and 13,390.49

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Solution

The fourth proportional to 34,447.18, 51,660.50 and 13,390.49 is: 20,081.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,447.18 : 51,660.50 = 13,390.49 : x
  2. Step 2: Convert to fraction form
    34,447.18/51,660.50 = 13,390.49/x
  3. Step 3: Cross multiply
    34,447.18x = 51,660.50 × 13,390.49
  4. Step 4: Simplify right side
    34,447.18x = 691,759,150.34
  5. Step 5: Solve for x
    x = 691,759,150.34/34,447.18
  6. Step 6: Final answer
    x = 20,081.74

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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.