Home / 49,361.32-68,118.30-28,140.16

Finding the Fourth Proportional to 49,361.32, 68,118.30 and 28,140.16

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Solution

The fourth proportional to 49,361.32, 68,118.30 and 28,140.16 is: 38,833.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,361.32 : 68,118.30 = 28,140.16 : x
  2. Step 2: Convert to fraction form
    49,361.32/68,118.30 = 28,140.16/x
  3. Step 3: Cross multiply
    49,361.32x = 68,118.30 × 28,140.16
  4. Step 4: Simplify right side
    49,361.32x = 1,916,859,860.93
  5. Step 5: Solve for x
    x = 1,916,859,860.93/49,361.32
  6. Step 6: Final answer
    x = 38,833.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.