Home / 30,807.36-46,211.04-12,096.21

Finding the Fourth Proportional to 30,807.36, 46,211.04 and 12,096.21

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Solution

The fourth proportional to 30,807.36, 46,211.04 and 12,096.21 is: 18,144.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,807.36 : 46,211.04 = 12,096.21 : x
  2. Step 2: Convert to fraction form
    30,807.36/46,211.04 = 12,096.21/x
  3. Step 3: Cross multiply
    30,807.36x = 46,211.04 × 12,096.21
  4. Step 4: Simplify right side
    30,807.36x = 558,978,444.16
  5. Step 5: Solve for x
    x = 558,978,444.16/30,807.36
  6. Step 6: Final answer
    x = 18,144.32

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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.