Home / 30,318.04-45,486.06-15,537.34

Finding the Fourth Proportional to 30,318.04, 45,486.06 and 15,537.34

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Solution

The fourth proportional to 30,318.04, 45,486.06 and 15,537.34 is: 23,310.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,318.04 : 45,486.06 = 15,537.34 : x
  2. Step 2: Convert to fraction form
    30,318.04/45,486.06 = 15,537.34/x
  3. Step 3: Cross multiply
    30,318.04x = 45,486.06 × 15,537.34
  4. Step 4: Simplify right side
    30,318.04x = 706,732,379.48
  5. Step 5: Solve for x
    x = 706,732,379.48/30,318.04
  6. Step 6: Final answer
    x = 23,310.62

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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.