Home / 43,400.86-65,109.40-19,710.06

Finding the Fourth Proportional to 43,400.86, 65,109.40 and 19,710.06

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Solution

The fourth proportional to 43,400.86, 65,109.40 and 19,710.06 is: 29,568.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,400.86 : 65,109.40 = 19,710.06 : x
  2. Step 2: Convert to fraction form
    43,400.86/65,109.40 = 19,710.06/x
  3. Step 3: Cross multiply
    43,400.86x = 65,109.40 × 19,710.06
  4. Step 4: Simplify right side
    43,400.86x = 1,283,310,180.56
  5. Step 5: Solve for x
    x = 1,283,310,180.56/43,400.86
  6. Step 6: Final answer
    x = 29,568.77

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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.