Home / 51,391.68-70,920-32,544.24

Finding the Fourth Proportional to 51,391.68, 70,920 and 32,544.24

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Solution

The fourth proportional to 51,391.68, 70,920 and 32,544.24 is: 44,910.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,391.68 : 70,920 = 32,544.24 : x
  2. Step 2: Convert to fraction form
    51,391.68/70,920 = 32,544.24/x
  3. Step 3: Cross multiply
    51,391.68x = 70,920 × 32,544.24
  4. Step 4: Simplify right side
    51,391.68x = 2,308,037,500.80
  5. Step 5: Solve for x
    x = 2,308,037,500.80/51,391.68
  6. Step 6: Final answer
    x = 44,910.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.