Home / 30,045.43-45,061.31-11,326.08

Finding the Fourth Proportional to 30,045.43, 45,061.31 and 11,326.08

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Solution

The fourth proportional to 30,045.43, 45,061.31 and 11,326.08 is: 16,986.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,045.43 : 45,061.31 = 11,326.08 : x
  2. Step 2: Convert to fraction form
    30,045.43/45,061.31 = 11,326.08/x
  3. Step 3: Cross multiply
    30,045.43x = 45,061.31 × 11,326.08
  4. Step 4: Simplify right side
    30,045.43x = 510,367,945.79
  5. Step 5: Solve for x
    x = 510,367,945.79/30,045.43
  6. Step 6: Final answer
    x = 16,986.54

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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.