Home / 43,895.25-65,842.88-12,730.77

Finding the Fourth Proportional to 43,895.25, 65,842.88 and 12,730.77

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Solution

The fourth proportional to 43,895.25, 65,842.88 and 12,730.77 is: 19,096.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,895.25 : 65,842.88 = 12,730.77 : x
  2. Step 2: Convert to fraction form
    43,895.25/65,842.88 = 12,730.77/x
  3. Step 3: Cross multiply
    43,895.25x = 65,842.88 × 12,730.77
  4. Step 4: Simplify right side
    43,895.25x = 838,230,497.76
  5. Step 5: Solve for x
    x = 838,230,497.76/43,895.25
  6. Step 6: Final answer
    x = 19,096.16

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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.