Home / 30,472.83-45,716.07-10,751.55

Finding the Fourth Proportional to 30,472.83, 45,716.07 and 10,751.55

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Solution

The fourth proportional to 30,472.83, 45,716.07 and 10,751.55 is: 16,129.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,472.83 : 45,716.07 = 10,751.55 : x
  2. Step 2: Convert to fraction form
    30,472.83/45,716.07 = 10,751.55/x
  3. Step 3: Cross multiply
    30,472.83x = 45,716.07 × 10,751.55
  4. Step 4: Simplify right side
    30,472.83x = 491,518,612.41
  5. Step 5: Solve for x
    x = 491,518,612.41/30,472.83
  6. Step 6: Final answer
    x = 16,129.73

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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.