Home / 43,599.50-65,399.87-12,434.75

Finding the Fourth Proportional to 43,599.50, 65,399.87 and 12,434.75

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Solution

The fourth proportional to 43,599.50, 65,399.87 and 12,434.75 is: 18,652.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,599.50 : 65,399.87 = 12,434.75 : x
  2. Step 2: Convert to fraction form
    43,599.50/65,399.87 = 12,434.75/x
  3. Step 3: Cross multiply
    43,599.50x = 65,399.87 × 12,434.75
  4. Step 4: Simplify right side
    43,599.50x = 813,230,971.31
  5. Step 5: Solve for x
    x = 813,230,971.31/43,599.50
  6. Step 6: Final answer
    x = 18,652.30

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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.