Home / 43,860.49-65,801.69-12,695.74

Finding the Fourth Proportional to 43,860.49, 65,801.69 and 12,695.74

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Solution

The fourth proportional to 43,860.49, 65,801.69 and 12,695.74 is: 19,046.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,860.49 : 65,801.69 = 12,695.74 : x
  2. Step 2: Convert to fraction form
    43,860.49/65,801.69 = 12,695.74/x
  3. Step 3: Cross multiply
    43,860.49x = 65,801.69 × 12,695.74
  4. Step 4: Simplify right side
    43,860.49x = 835,400,787.05
  5. Step 5: Solve for x
    x = 835,400,787.05/43,860.49
  6. Step 6: Final answer
    x = 19,046.77

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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.