Home / 30,957.27-46,421.94-8,765.40

Finding the Fourth Proportional to 30,957.27, 46,421.94 and 8,765.40

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Solution

The fourth proportional to 30,957.27, 46,421.94 and 8,765.40 is: 13,144.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,957.27 : 46,421.94 = 8,765.40 : x
  2. Step 2: Convert to fraction form
    30,957.27/46,421.94 = 8,765.40/x
  3. Step 3: Cross multiply
    30,957.27x = 46,421.94 × 8,765.40
  4. Step 4: Simplify right side
    30,957.27x = 406,906,872.88
  5. Step 5: Solve for x
    x = 406,906,872.88/30,957.27
  6. Step 6: Final answer
    x = 13,144.15

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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.