Home / 30,904.38-46,329.21-13,364.64

Finding the Fourth Proportional to 30,904.38, 46,329.21 and 13,364.64

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Solution

The fourth proportional to 30,904.38, 46,329.21 and 13,364.64 is: 20,035.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,904.38 : 46,329.21 = 13,364.64 : x
  2. Step 2: Convert to fraction form
    30,904.38/46,329.21 = 13,364.64/x
  3. Step 3: Cross multiply
    30,904.38x = 46,329.21 × 13,364.64
  4. Step 4: Simplify right side
    30,904.38x = 619,173,213.13
  5. Step 5: Solve for x
    x = 619,173,213.13/30,904.38
  6. Step 6: Final answer
    x = 20,035.13

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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.