Home / 30,971.58-46,463.13-10,209.66

Finding the Fourth Proportional to 30,971.58, 46,463.13 and 10,209.66

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Solution

The fourth proportional to 30,971.58, 46,463.13 and 10,209.66 is: 15,316.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,971.58 : 46,463.13 = 10,209.66 : x
  2. Step 2: Convert to fraction form
    30,971.58/46,463.13 = 10,209.66/x
  3. Step 3: Cross multiply
    30,971.58x = 46,463.13 × 10,209.66
  4. Step 4: Simplify right side
    30,971.58x = 474,372,759.84
  5. Step 5: Solve for x
    x = 474,372,759.84/30,971.58
  6. Step 6: Final answer
    x = 15,316.39

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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.