Home / 43,565.10-65,351.70-13,579.56

Finding the Fourth Proportional to 43,565.10, 65,351.70 and 13,579.56

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Solution

The fourth proportional to 43,565.10, 65,351.70 and 13,579.56 is: 20,370.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,565.10 : 65,351.70 = 13,579.56 : x
  2. Step 2: Convert to fraction form
    43,565.10/65,351.70 = 13,579.56/x
  3. Step 3: Cross multiply
    43,565.10x = 65,351.70 × 13,579.56
  4. Step 4: Simplify right side
    43,565.10x = 887,447,331.25
  5. Step 5: Solve for x
    x = 887,447,331.25/43,565.10
  6. Step 6: Final answer
    x = 20,370.60

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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.