Home / 51,332.25-70,833.88-28,668.09

Finding the Fourth Proportional to 51,332.25, 70,833.88 and 28,668.09

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Solution

The fourth proportional to 51,332.25, 70,833.88 and 28,668.09 is: 39,559.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,332.25 : 70,833.88 = 28,668.09 : x
  2. Step 2: Convert to fraction form
    51,332.25/70,833.88 = 28,668.09/x
  3. Step 3: Cross multiply
    51,332.25x = 70,833.88 × 28,668.09
  4. Step 4: Simplify right side
    51,332.25x = 2,030,672,046.89
  5. Step 5: Solve for x
    x = 2,030,672,046.89/51,332.25
  6. Step 6: Final answer
    x = 39,559.38

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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.