Home / 43,453.72-65,181.10-13,871.40

Finding the Fourth Proportional to 43,453.72, 65,181.10 and 13,871.40

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Solution

The fourth proportional to 43,453.72, 65,181.10 and 13,871.40 is: 20,807.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,453.72 : 65,181.10 = 13,871.40 : x
  2. Step 2: Convert to fraction form
    43,453.72/65,181.10 = 13,871.40/x
  3. Step 3: Cross multiply
    43,453.72x = 65,181.10 × 13,871.40
  4. Step 4: Simplify right side
    43,453.72x = 904,153,110.54
  5. Step 5: Solve for x
    x = 904,153,110.54/43,453.72
  6. Step 6: Final answer
    x = 20,807.27

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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.