Home / 43,327.14-65,014.74-21,140.70

Finding the Fourth Proportional to 43,327.14, 65,014.74 and 21,140.70

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Solution

The fourth proportional to 43,327.14, 65,014.74 and 21,140.70 is: 31,722.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,327.14 : 65,014.74 = 21,140.70 : x
  2. Step 2: Convert to fraction form
    43,327.14/65,014.74 = 21,140.70/x
  3. Step 3: Cross multiply
    43,327.14x = 65,014.74 × 21,140.70
  4. Step 4: Simplify right side
    43,327.14x = 1,374,456,870.11
  5. Step 5: Solve for x
    x = 1,374,456,870.11/43,327.14
  6. Step 6: Final answer
    x = 31,722.77

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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.