Home / 43,559.08-65,329.50-12,385.96

Finding the Fourth Proportional to 43,559.08, 65,329.50 and 12,385.96

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Solution

The fourth proportional to 43,559.08, 65,329.50 and 12,385.96 is: 18,576.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,559.08 : 65,329.50 = 12,385.96 : x
  2. Step 2: Convert to fraction form
    43,559.08/65,329.50 = 12,385.96/x
  3. Step 3: Cross multiply
    43,559.08x = 65,329.50 × 12,385.96
  4. Step 4: Simplify right side
    43,559.08x = 809,168,573.82
  5. Step 5: Solve for x
    x = 809,168,573.82/43,559.08
  6. Step 6: Final answer
    x = 18,576.35

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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.