Home / 30,361.24-45,546.72-12,831.24

Finding the Fourth Proportional to 30,361.24, 45,546.72 and 12,831.24

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Solution

The fourth proportional to 30,361.24, 45,546.72 and 12,831.24 is: 19,248.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,361.24 : 45,546.72 = 12,831.24 : x
  2. Step 2: Convert to fraction form
    30,361.24/45,546.72 = 12,831.24/x
  3. Step 3: Cross multiply
    30,361.24x = 45,546.72 × 12,831.24
  4. Step 4: Simplify right side
    30,361.24x = 584,420,895.53
  5. Step 5: Solve for x
    x = 584,420,895.53/30,361.24
  6. Step 6: Final answer
    x = 19,248.91

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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.