Home / 50,827.78-70,144.56-28,166.72

Finding the Fourth Proportional to 50,827.78, 70,144.56 and 28,166.72

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Solution

The fourth proportional to 50,827.78, 70,144.56 and 28,166.72 is: 38,871.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,827.78 : 70,144.56 = 28,166.72 : x
  2. Step 2: Convert to fraction form
    50,827.78/70,144.56 = 28,166.72/x
  3. Step 3: Cross multiply
    50,827.78x = 70,144.56 × 28,166.72
  4. Step 4: Simplify right side
    50,827.78x = 1,975,741,830.32
  5. Step 5: Solve for x
    x = 1,975,741,830.32/50,827.78
  6. Step 6: Final answer
    x = 38,871.30

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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.