Home / 39,204.64-58,800.84-12,907.12

Finding the Fourth Proportional to 39,204.64, 58,800.84 and 12,907.12

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Solution

The fourth proportional to 39,204.64, 58,800.84 and 12,907.12 is: 19,358.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,204.64 : 58,800.84 = 12,907.12 : x
  2. Step 2: Convert to fraction form
    39,204.64/58,800.84 = 12,907.12/x
  3. Step 3: Cross multiply
    39,204.64x = 58,800.84 × 12,907.12
  4. Step 4: Simplify right side
    39,204.64x = 758,949,497.98
  5. Step 5: Solve for x
    x = 758,949,497.98/39,204.64
  6. Step 6: Final answer
    x = 19,358.67

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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.