Home / 30,403.72-45,674.76-21,996.16

Finding the Fourth Proportional to 30,403.72, 45,674.76 and 21,996.16

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Solution

The fourth proportional to 30,403.72, 45,674.76 and 21,996.16 is: 33,044.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,403.72 : 45,674.76 = 21,996.16 : x
  2. Step 2: Convert to fraction form
    30,403.72/45,674.76 = 21,996.16/x
  3. Step 3: Cross multiply
    30,403.72x = 45,674.76 × 21,996.16
  4. Step 4: Simplify right side
    30,403.72x = 1,004,669,328.92
  5. Step 5: Solve for x
    x = 1,004,669,328.92/30,403.72
  6. Step 6: Final answer
    x = 33,044.29

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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.