Home / 43,370.46-65,037.33-13,780.35

Finding the Fourth Proportional to 43,370.46, 65,037.33 and 13,780.35

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Solution

The fourth proportional to 43,370.46, 65,037.33 and 13,780.35 is: 20,664.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,370.46 : 65,037.33 = 13,780.35 : x
  2. Step 2: Convert to fraction form
    43,370.46/65,037.33 = 13,780.35/x
  3. Step 3: Cross multiply
    43,370.46x = 65,037.33 × 13,780.35
  4. Step 4: Simplify right side
    43,370.46x = 896,237,170.47
  5. Step 5: Solve for x
    x = 896,237,170.47/43,370.46
  6. Step 6: Final answer
    x = 20,664.69

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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.