Home / 76,571.46-114,862.32-20,410.92

Finding the Fourth Proportional to 76,571.46, 114,862.32 and 20,410.92

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Solution

The fourth proportional to 76,571.46, 114,862.32 and 20,410.92 is: 30,617.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,571.46 : 114,862.32 = 20,410.92 : x
  2. Step 2: Convert to fraction form
    76,571.46/114,862.32 = 20,410.92/x
  3. Step 3: Cross multiply
    76,571.46x = 114,862.32 × 20,410.92
  4. Step 4: Simplify right side
    76,571.46x = 2,344,445,624.53
  5. Step 5: Solve for x
    x = 2,344,445,624.53/76,571.46
  6. Step 6: Final answer
    x = 30,617.75

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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.