Home / 43,790.10-65,701.35-14,208.90

Finding the Fourth Proportional to 43,790.10, 65,701.35 and 14,208.90

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Solution

The fourth proportional to 43,790.10, 65,701.35 and 14,208.90 is: 21,318.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,790.10 : 65,701.35 = 14,208.90 : x
  2. Step 2: Convert to fraction form
    43,790.10/65,701.35 = 14,208.90/x
  3. Step 3: Cross multiply
    43,790.10x = 65,701.35 × 14,208.90
  4. Step 4: Simplify right side
    43,790.10x = 933,543,912.02
  5. Step 5: Solve for x
    x = 933,543,912.02/43,790.10
  6. Step 6: Final answer
    x = 21,318.61

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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.