Home / 49,723-68,602.20-28,209.16

Finding the Fourth Proportional to 49,723, 68,602.20 and 28,209.16

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Solution

The fourth proportional to 49,723, 68,602.20 and 28,209.16 is: 38,919.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,723 : 68,602.20 = 28,209.16 : x
  2. Step 2: Convert to fraction form
    49,723/68,602.20 = 28,209.16/x
  3. Step 3: Cross multiply
    49,723x = 68,602.20 × 28,209.16
  4. Step 4: Simplify right side
    49,723x = 1,935,210,436.15
  5. Step 5: Solve for x
    x = 1,935,210,436.15/49,723
  6. Step 6: Final answer
    x = 38,919.82

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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.