Home / 30,044.72-45,073.43-11,324.36

Finding the Fourth Proportional to 30,044.72, 45,073.43 and 11,324.36

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Solution

The fourth proportional to 30,044.72, 45,073.43 and 11,324.36 is: 16,988.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,044.72 : 45,073.43 = 11,324.36 : x
  2. Step 2: Convert to fraction form
    30,044.72/45,073.43 = 11,324.36/x
  3. Step 3: Cross multiply
    30,044.72x = 45,073.43 × 11,324.36
  4. Step 4: Simplify right side
    30,044.72x = 510,427,747.75
  5. Step 5: Solve for x
    x = 510,427,747.75/30,044.72
  6. Step 6: Final answer
    x = 16,988.93

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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.