Home / 50,985.65-70,359.74-28,324.69

Finding the Fourth Proportional to 50,985.65, 70,359.74 and 28,324.69

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Solution

The fourth proportional to 50,985.65, 70,359.74 and 28,324.69 is: 39,087.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,985.65 : 70,359.74 = 28,324.69 : x
  2. Step 2: Convert to fraction form
    50,985.65/70,359.74 = 28,324.69/x
  3. Step 3: Cross multiply
    50,985.65x = 70,359.74 × 28,324.69
  4. Step 4: Simplify right side
    50,985.65x = 1,992,917,612.68
  5. Step 5: Solve for x
    x = 1,992,917,612.68/50,985.65
  6. Step 6: Final answer
    x = 39,087.81

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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.