Home / 43,241.98-64,887.96-18,280.40

Finding the Fourth Proportional to 43,241.98, 64,887.96 and 18,280.40

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Solution

The fourth proportional to 43,241.98, 64,887.96 and 18,280.40 is: 27,431.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,241.98 : 64,887.96 = 18,280.40 : x
  2. Step 2: Convert to fraction form
    43,241.98/64,887.96 = 18,280.40/x
  3. Step 3: Cross multiply
    43,241.98x = 64,887.96 × 18,280.40
  4. Step 4: Simplify right side
    43,241.98x = 1,186,177,863.98
  5. Step 5: Solve for x
    x = 1,186,177,863.98/43,241.98
  6. Step 6: Final answer
    x = 27,431.16

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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.