Home / 50,862.89-70,184.21-28,201.66

Finding the Fourth Proportional to 50,862.89, 70,184.21 and 28,201.66

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Solution

The fourth proportional to 50,862.89, 70,184.21 and 28,201.66 is: 38,914.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,862.89 : 70,184.21 = 28,201.66 : x
  2. Step 2: Convert to fraction form
    50,862.89/70,184.21 = 28,201.66/x
  3. Step 3: Cross multiply
    50,862.89x = 70,184.21 × 28,201.66
  4. Step 4: Simplify right side
    50,862.89x = 1,979,310,911.32
  5. Step 5: Solve for x
    x = 1,979,310,911.32/50,862.89
  6. Step 6: Final answer
    x = 38,914.64

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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.