Home / 79,717.21-119,592.68-26,406.17

Finding the Fourth Proportional to 79,717.21, 119,592.68 and 26,406.17

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Solution

The fourth proportional to 79,717.21, 119,592.68 and 26,406.17 is: 39,614.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,717.21 : 119,592.68 = 26,406.17 : x
  2. Step 2: Convert to fraction form
    79,717.21/119,592.68 = 26,406.17/x
  3. Step 3: Cross multiply
    79,717.21x = 119,592.68 × 26,406.17
  4. Step 4: Simplify right side
    79,717.21x = 3,157,983,908.84
  5. Step 5: Solve for x
    x = 3,157,983,908.84/79,717.21
  6. Step 6: Final answer
    x = 39,614.83

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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.