Home / 43,427.04-65,139.48-12,261.84

Finding the Fourth Proportional to 43,427.04, 65,139.48 and 12,261.84

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Solution

The fourth proportional to 43,427.04, 65,139.48 and 12,261.84 is: 18,392.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,427.04 : 65,139.48 = 12,261.84 : x
  2. Step 2: Convert to fraction form
    43,427.04/65,139.48 = 12,261.84/x
  3. Step 3: Cross multiply
    43,427.04x = 65,139.48 × 12,261.84
  4. Step 4: Simplify right side
    43,427.04x = 798,729,881.44
  5. Step 5: Solve for x
    x = 798,729,881.44/43,427.04
  6. Step 6: Final answer
    x = 18,392.46

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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.