Home / 51,039.96-76,561.64-17,762.80

Finding the Fourth Proportional to 51,039.96, 76,561.64 and 17,762.80

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Solution

The fourth proportional to 51,039.96, 76,561.64 and 17,762.80 is: 26,644.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,039.96 : 76,561.64 = 17,762.80 : x
  2. Step 2: Convert to fraction form
    51,039.96/76,561.64 = 17,762.80/x
  3. Step 3: Cross multiply
    51,039.96x = 76,561.64 × 17,762.80
  4. Step 4: Simplify right side
    51,039.96x = 1,359,949,098.99
  5. Step 5: Solve for x
    x = 1,359,949,098.99/51,039.96
  6. Step 6: Final answer
    x = 26,644.79

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1.5x scale

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.