Home / 40,715.70-61,051.41-12,628.14

Finding the Fourth Proportional to 40,715.70, 61,051.41 and 12,628.14

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Solution

The fourth proportional to 40,715.70, 61,051.41 and 12,628.14 is: 18,935.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,715.70 : 61,051.41 = 12,628.14 : x
  2. Step 2: Convert to fraction form
    40,715.70/61,051.41 = 12,628.14/x
  3. Step 3: Cross multiply
    40,715.70x = 61,051.41 × 12,628.14
  4. Step 4: Simplify right side
    40,715.70x = 770,965,752.68
  5. Step 5: Solve for x
    x = 770,965,752.68/40,715.70
  6. Step 6: Final answer
    x = 18,935.34

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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.