Home / 50,921.48-70,272.41-28,261.94

Finding the Fourth Proportional to 50,921.48, 70,272.41 and 28,261.94

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Solution

The fourth proportional to 50,921.48, 70,272.41 and 28,261.94 is: 39,001.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,921.48 : 70,272.41 = 28,261.94 : x
  2. Step 2: Convert to fraction form
    50,921.48/70,272.41 = 28,261.94/x
  3. Step 3: Cross multiply
    50,921.48x = 70,272.41 × 28,261.94
  4. Step 4: Simplify right side
    50,921.48x = 1,986,034,142.40
  5. Step 5: Solve for x
    x = 1,986,034,142.40/50,921.48
  6. Step 6: Final answer
    x = 39,001.89

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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.