Home / 40,748.37-61,110.69-15,782.85

Finding the Fourth Proportional to 40,748.37, 61,110.69 and 15,782.85

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Solution

The fourth proportional to 40,748.37, 61,110.69 and 15,782.85 is: 23,669.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,748.37 : 61,110.69 = 15,782.85 : x
  2. Step 2: Convert to fraction form
    40,748.37/61,110.69 = 15,782.85/x
  3. Step 3: Cross multiply
    40,748.37x = 61,110.69 × 15,782.85
  4. Step 4: Simplify right side
    40,748.37x = 964,500,700.89
  5. Step 5: Solve for x
    x = 964,500,700.89/40,748.37
  6. Step 6: Final answer
    x = 23,669.68

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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.