Home / 51,467.40-70,929.78-38,872.20

Finding the Fourth Proportional to 51,467.40, 70,929.78 and 38,872.20

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Solution

The fourth proportional to 51,467.40, 70,929.78 and 38,872.20 is: 53,571.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,467.40 : 70,929.78 = 38,872.20 : x
  2. Step 2: Convert to fraction form
    51,467.40/70,929.78 = 38,872.20/x
  3. Step 3: Cross multiply
    51,467.40x = 70,929.78 × 38,872.20
  4. Step 4: Simplify right side
    51,467.40x = 2,757,196,594.12
  5. Step 5: Solve for x
    x = 2,757,196,594.12/51,467.40
  6. Step 6: Final answer
    x = 53,571.71

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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.