Home / 51,300.68-76,956.35-13,860.99

Finding the Fourth Proportional to 51,300.68, 76,956.35 and 13,860.99

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Solution

The fourth proportional to 51,300.68, 76,956.35 and 13,860.99 is: 20,792.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,300.68 : 76,956.35 = 13,860.99 : x
  2. Step 2: Convert to fraction form
    51,300.68/76,956.35 = 13,860.99/x
  3. Step 3: Cross multiply
    51,300.68x = 76,956.35 × 13,860.99
  4. Step 4: Simplify right side
    51,300.68x = 1,066,691,128.48
  5. Step 5: Solve for x
    x = 1,066,691,128.48/51,300.68
  6. Step 6: Final answer
    x = 20,792.93

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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.