Home / 43,379.76-65,076.12-13,798.56

Finding the Fourth Proportional to 43,379.76, 65,076.12 and 13,798.56

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Solution

The fourth proportional to 43,379.76, 65,076.12 and 13,798.56 is: 20,699.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,379.76 : 65,076.12 = 13,798.56 : x
  2. Step 2: Convert to fraction form
    43,379.76/65,076.12 = 13,798.56/x
  3. Step 3: Cross multiply
    43,379.76x = 65,076.12 × 13,798.56
  4. Step 4: Simplify right side
    43,379.76x = 897,956,746.39
  5. Step 5: Solve for x
    x = 897,956,746.39/43,379.76
  6. Step 6: Final answer
    x = 20,699.90

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1.5x scale

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.