Home / 43,368.06-65,052.10-13,785.90

Finding the Fourth Proportional to 43,368.06, 65,052.10 and 13,785.90

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Solution

The fourth proportional to 43,368.06, 65,052.10 and 13,785.90 is: 20,678.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,368.06 : 65,052.10 = 13,785.90 : x
  2. Step 2: Convert to fraction form
    43,368.06/65,052.10 = 13,785.90/x
  3. Step 3: Cross multiply
    43,368.06x = 65,052.10 × 13,785.90
  4. Step 4: Simplify right side
    43,368.06x = 896,801,745.39
  5. Step 5: Solve for x
    x = 896,801,745.39/43,368.06
  6. Step 6: Final answer
    x = 20,678.85

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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.