Home / 50,918.76-70,262.13-28,251.86

Finding the Fourth Proportional to 50,918.76, 70,262.13 and 28,251.86

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Solution

The fourth proportional to 50,918.76, 70,262.13 and 28,251.86 is: 38,984.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,918.76 : 70,262.13 = 28,251.86 : x
  2. Step 2: Convert to fraction form
    50,918.76/70,262.13 = 28,251.86/x
  3. Step 3: Cross multiply
    50,918.76x = 70,262.13 × 28,251.86
  4. Step 4: Simplify right side
    50,918.76x = 1,985,035,614.70
  5. Step 5: Solve for x
    x = 1,985,035,614.70/50,918.76
  6. Step 6: Final answer
    x = 38,984.37

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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.