Home / 40,945.80-61,419.66-14,652.36

Finding the Fourth Proportional to 40,945.80, 61,419.66 and 14,652.36

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Solution

The fourth proportional to 40,945.80, 61,419.66 and 14,652.36 is: 21,978.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,945.80 : 61,419.66 = 14,652.36 : x
  2. Step 2: Convert to fraction form
    40,945.80/61,419.66 = 14,652.36/x
  3. Step 3: Cross multiply
    40,945.80x = 61,419.66 × 14,652.36
  4. Step 4: Simplify right side
    40,945.80x = 899,942,969.40
  5. Step 5: Solve for x
    x = 899,942,969.40/40,945.80
  6. Step 6: Final answer
    x = 21,978.88

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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.