Home / 50,830.02-70,145.83-28,169.38

Finding the Fourth Proportional to 50,830.02, 70,145.83 and 28,169.38

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Solution

The fourth proportional to 50,830.02, 70,145.83 and 28,169.38 is: 38,873.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,830.02 : 70,145.83 = 28,169.38 : x
  2. Step 2: Convert to fraction form
    50,830.02/70,145.83 = 28,169.38/x
  3. Step 3: Cross multiply
    50,830.02x = 70,145.83 × 28,169.38
  4. Step 4: Simplify right side
    50,830.02x = 1,975,964,049.11
  5. Step 5: Solve for x
    x = 1,975,964,049.11/50,830.02
  6. Step 6: Final answer
    x = 38,873.96

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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.