Home / 51,772.20-71,469.69-39,030.57

Finding the Fourth Proportional to 51,772.20, 71,469.69 and 39,030.57

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Solution

The fourth proportional to 51,772.20, 71,469.69 and 39,030.57 is: 53,880.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,772.20 : 71,469.69 = 39,030.57 : x
  2. Step 2: Convert to fraction form
    51,772.20/71,469.69 = 39,030.57/x
  3. Step 3: Cross multiply
    51,772.20x = 71,469.69 × 39,030.57
  4. Step 4: Simplify right side
    51,772.20x = 2,789,502,738.42
  5. Step 5: Solve for x
    x = 2,789,502,738.42/51,772.20
  6. Step 6: Final answer
    x = 53,880.32

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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.