Home / 40,289.45-60,428.59-10,709.69

Finding the Fourth Proportional to 40,289.45, 60,428.59 and 10,709.69

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Solution

The fourth proportional to 40,289.45, 60,428.59 and 10,709.69 is: 16,063.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,289.45 : 60,428.59 = 10,709.69 : x
  2. Step 2: Convert to fraction form
    40,289.45/60,428.59 = 10,709.69/x
  3. Step 3: Cross multiply
    40,289.45x = 60,428.59 × 10,709.69
  4. Step 4: Simplify right side
    40,289.45x = 647,171,137.12
  5. Step 5: Solve for x
    x = 647,171,137.12/40,289.45
  6. Step 6: Final answer
    x = 16,063.04

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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.