Home / 43,895.20-65,826.60-21,701.20

Finding the Fourth Proportional to 43,895.20, 65,826.60 and 21,701.20

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Solution

The fourth proportional to 43,895.20, 65,826.60 and 21,701.20 is: 32,543.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,895.20 : 65,826.60 = 21,701.20 : x
  2. Step 2: Convert to fraction form
    43,895.20/65,826.60 = 21,701.20/x
  3. Step 3: Cross multiply
    43,895.20x = 65,826.60 × 21,701.20
  4. Step 4: Simplify right side
    43,895.20x = 1,428,516,211.92
  5. Step 5: Solve for x
    x = 1,428,516,211.92/43,895.20
  6. Step 6: Final answer
    x = 32,543.79

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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.