Home / 43,685.30-65,511.31-15,600.12

Finding the Fourth Proportional to 43,685.30, 65,511.31 and 15,600.12

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Solution

The fourth proportional to 43,685.30, 65,511.31 and 15,600.12 is: 23,394.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,685.30 : 65,511.31 = 15,600.12 : x
  2. Step 2: Convert to fraction form
    43,685.30/65,511.31 = 15,600.12/x
  3. Step 3: Cross multiply
    43,685.30x = 65,511.31 × 15,600.12
  4. Step 4: Simplify right side
    43,685.30x = 1,021,984,297.36
  5. Step 5: Solve for x
    x = 1,021,984,297.36/43,685.30
  6. Step 6: Final answer
    x = 23,394.24

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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.