Home / 43,848.55-65,783.63-12,686.95

Finding the Fourth Proportional to 43,848.55, 65,783.63 and 12,686.95

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Solution

The fourth proportional to 43,848.55, 65,783.63 and 12,686.95 is: 19,033.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,848.55 : 65,783.63 = 12,686.95 : x
  2. Step 2: Convert to fraction form
    43,848.55/65,783.63 = 12,686.95/x
  3. Step 3: Cross multiply
    43,848.55x = 65,783.63 × 12,686.95
  4. Step 4: Simplify right side
    43,848.55x = 834,593,624.63
  5. Step 5: Solve for x
    x = 834,593,624.63/43,848.55
  6. Step 6: Final answer
    x = 19,033.55

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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.