Home / 49,431.68-68,216.82-28,210.52

Finding the Fourth Proportional to 49,431.68, 68,216.82 and 28,210.52

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Solution

The fourth proportional to 49,431.68, 68,216.82 and 28,210.52 is: 38,931.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,431.68 : 68,216.82 = 28,210.52 : x
  2. Step 2: Convert to fraction form
    49,431.68/68,216.82 = 28,210.52/x
  3. Step 3: Cross multiply
    49,431.68x = 68,216.82 × 28,210.52
  4. Step 4: Simplify right side
    49,431.68x = 1,924,431,964.95
  5. Step 5: Solve for x
    x = 1,924,431,964.95/49,431.68
  6. Step 6: Final answer
    x = 38,931.15

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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.