Home / 43,970.31-65,961.08-13,973.84

Finding the Fourth Proportional to 43,970.31, 65,961.08 and 13,973.84

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Solution

The fourth proportional to 43,970.31, 65,961.08 and 13,973.84 is: 20,962.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,970.31 : 65,961.08 = 13,973.84 : x
  2. Step 2: Convert to fraction form
    43,970.31/65,961.08 = 13,973.84/x
  3. Step 3: Cross multiply
    43,970.31x = 65,961.08 × 13,973.84
  4. Step 4: Simplify right side
    43,970.31x = 921,729,178.47
  5. Step 5: Solve for x
    x = 921,729,178.47/43,970.31
  6. Step 6: Final answer
    x = 20,962.54

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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.