Home / 30,351.50-45,531.50-10,625.57

Finding the Fourth Proportional to 30,351.50, 45,531.50 and 10,625.57

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Solution

The fourth proportional to 30,351.50, 45,531.50 and 10,625.57 is: 15,939.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,351.50 : 45,531.50 = 10,625.57 : x
  2. Step 2: Convert to fraction form
    30,351.50/45,531.50 = 10,625.57/x
  3. Step 3: Cross multiply
    30,351.50x = 45,531.50 × 10,625.57
  4. Step 4: Simplify right side
    30,351.50x = 483,797,859.67
  5. Step 5: Solve for x
    x = 483,797,859.67/30,351.50
  6. Step 6: Final answer
    x = 15,939.84

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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.