Home / 50,668.07-69,921.91-28,007.07

Finding the Fourth Proportional to 50,668.07, 69,921.91 and 28,007.07

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Solution

The fourth proportional to 50,668.07, 69,921.91 and 28,007.07 is: 38,649.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,668.07 : 69,921.91 = 28,007.07 : x
  2. Step 2: Convert to fraction form
    50,668.07/69,921.91 = 28,007.07/x
  3. Step 3: Cross multiply
    50,668.07x = 69,921.91 × 28,007.07
  4. Step 4: Simplify right side
    50,668.07x = 1,958,307,827.90
  5. Step 5: Solve for x
    x = 1,958,307,827.90/50,668.07
  6. Step 6: Final answer
    x = 38,649.74

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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.