Home / 50,824.59-70,136.86-28,163.40

Finding the Fourth Proportional to 50,824.59, 70,136.86 and 28,163.40

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Solution

The fourth proportional to 50,824.59, 70,136.86 and 28,163.40 is: 38,864.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,824.59 : 70,136.86 = 28,163.40 : x
  2. Step 2: Convert to fraction form
    50,824.59/70,136.86 = 28,163.40/x
  3. Step 3: Cross multiply
    50,824.59x = 70,136.86 × 28,163.40
  4. Step 4: Simplify right side
    50,824.59x = 1,975,292,241.52
  5. Step 5: Solve for x
    x = 1,975,292,241.52/50,824.59
  6. Step 6: Final answer
    x = 38,864.89

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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.