Home / 43,904.40-65,871.40-13,923.54

Finding the Fourth Proportional to 43,904.40, 65,871.40 and 13,923.54

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Solution

The fourth proportional to 43,904.40, 65,871.40 and 13,923.54 is: 20,890.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,904.40 : 65,871.40 = 13,923.54 : x
  2. Step 2: Convert to fraction form
    43,904.40/65,871.40 = 13,923.54/x
  3. Step 3: Cross multiply
    43,904.40x = 65,871.40 × 13,923.54
  4. Step 4: Simplify right side
    43,904.40x = 917,163,072.76
  5. Step 5: Solve for x
    x = 917,163,072.76/43,904.40
  6. Step 6: Final answer
    x = 20,890.00

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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.