Home / 30,327.90-45,470.31-11,592.15

Finding the Fourth Proportional to 30,327.90, 45,470.31 and 11,592.15

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Solution

The fourth proportional to 30,327.90, 45,470.31 and 11,592.15 is: 17,379.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,327.90 : 45,470.31 = 11,592.15 : x
  2. Step 2: Convert to fraction form
    30,327.90/45,470.31 = 11,592.15/x
  3. Step 3: Cross multiply
    30,327.90x = 45,470.31 × 11,592.15
  4. Step 4: Simplify right side
    30,327.90x = 527,098,654.07
  5. Step 5: Solve for x
    x = 527,098,654.07/30,327.90
  6. Step 6: Final answer
    x = 17,379.99

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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.