Home / 43,506.72-65,246.18-13,917.51

Finding the Fourth Proportional to 43,506.72, 65,246.18 and 13,917.51

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Solution

The fourth proportional to 43,506.72, 65,246.18 and 13,917.51 is: 20,871.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,506.72 : 65,246.18 = 13,917.51 : x
  2. Step 2: Convert to fraction form
    43,506.72/65,246.18 = 13,917.51/x
  3. Step 3: Cross multiply
    43,506.72x = 65,246.18 × 13,917.51
  4. Step 4: Simplify right side
    43,506.72x = 908,064,293.02
  5. Step 5: Solve for x
    x = 908,064,293.02/43,506.72
  6. Step 6: Final answer
    x = 20,871.82

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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.