Home / 43,399.86-65,103.03-18,437.10

Finding the Fourth Proportional to 43,399.86, 65,103.03 and 18,437.10

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Solution

The fourth proportional to 43,399.86, 65,103.03 and 18,437.10 is: 27,657.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,399.86 : 65,103.03 = 18,437.10 : x
  2. Step 2: Convert to fraction form
    43,399.86/65,103.03 = 18,437.10/x
  3. Step 3: Cross multiply
    43,399.86x = 65,103.03 × 18,437.10
  4. Step 4: Simplify right side
    43,399.86x = 1,200,311,074.41
  5. Step 5: Solve for x
    x = 1,200,311,074.41/43,399.86
  6. Step 6: Final answer
    x = 27,657.03

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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.