Home / 43,416.60-65,157.70-31,759.89

Finding the Fourth Proportional to 43,416.60, 65,157.70 and 31,759.89

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Solution

The fourth proportional to 43,416.60, 65,157.70 and 31,759.89 is: 47,663.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,416.60 : 65,157.70 = 31,759.89 : x
  2. Step 2: Convert to fraction form
    43,416.60/65,157.70 = 31,759.89/x
  3. Step 3: Cross multiply
    43,416.60x = 65,157.70 × 31,759.89
  4. Step 4: Simplify right side
    43,416.60x = 2,069,401,384.65
  5. Step 5: Solve for x
    x = 2,069,401,384.65/43,416.60
  6. Step 6: Final answer
    x = 47,663.83

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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.