Home / 30,233.86-45,351.20-10,512.79

Finding the Fourth Proportional to 30,233.86, 45,351.20 and 10,512.79

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Solution

The fourth proportional to 30,233.86, 45,351.20 and 10,512.79 is: 15,769.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,233.86 : 45,351.20 = 10,512.79 : x
  2. Step 2: Convert to fraction form
    30,233.86/45,351.20 = 10,512.79/x
  3. Step 3: Cross multiply
    30,233.86x = 45,351.20 × 10,512.79
  4. Step 4: Simplify right side
    30,233.86x = 476,767,641.85
  5. Step 5: Solve for x
    x = 476,767,641.85/30,233.86
  6. Step 6: Final answer
    x = 15,769.33

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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.