Home / 50,930.71-70,281.07-28,268.62

Finding the Fourth Proportional to 50,930.71, 70,281.07 and 28,268.62

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Solution

The fourth proportional to 50,930.71, 70,281.07 and 28,268.62 is: 39,008.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,930.71 : 70,281.07 = 28,268.62 : x
  2. Step 2: Convert to fraction form
    50,930.71/70,281.07 = 28,268.62/x
  3. Step 3: Cross multiply
    50,930.71x = 70,281.07 × 28,268.62
  4. Step 4: Simplify right side
    50,930.71x = 1,986,748,861.02
  5. Step 5: Solve for x
    x = 1,986,748,861.02/50,930.71
  6. Step 6: Final answer
    x = 39,008.86

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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.