Home / 30,568.32-45,846.56-13,923.68

Finding the Fourth Proportional to 30,568.32, 45,846.56 and 13,923.68

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Solution

The fourth proportional to 30,568.32, 45,846.56 and 13,923.68 is: 20,882.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,568.32 : 45,846.56 = 13,923.68 : x
  2. Step 2: Convert to fraction form
    30,568.32/45,846.56 = 13,923.68/x
  3. Step 3: Cross multiply
    30,568.32x = 45,846.56 × 13,923.68
  4. Step 4: Simplify right side
    30,568.32x = 638,352,830.54
  5. Step 5: Solve for x
    x = 638,352,830.54/30,568.32
  6. Step 6: Final answer
    x = 20,882.82

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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.