Home / 30,327.65-45,489.92-11,606.25

Finding the Fourth Proportional to 30,327.65, 45,489.92 and 11,606.25

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Solution

The fourth proportional to 30,327.65, 45,489.92 and 11,606.25 is: 17,408.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,327.65 : 45,489.92 = 11,606.25 : x
  2. Step 2: Convert to fraction form
    30,327.65/45,489.92 = 11,606.25/x
  3. Step 3: Cross multiply
    30,327.65x = 45,489.92 × 11,606.25
  4. Step 4: Simplify right side
    30,327.65x = 527,967,384
  5. Step 5: Solve for x
    x = 527,967,384/30,327.65
  6. Step 6: Final answer
    x = 17,408.78

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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.