Home / 49,769.84-68,670.60-28,254.92

Finding the Fourth Proportional to 49,769.84, 68,670.60 and 28,254.92

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Solution

The fourth proportional to 49,769.84, 68,670.60 and 28,254.92 is: 38,985.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,769.84 : 68,670.60 = 28,254.92 : x
  2. Step 2: Convert to fraction form
    49,769.84/68,670.60 = 28,254.92/x
  3. Step 3: Cross multiply
    49,769.84x = 68,670.60 × 28,254.92
  4. Step 4: Simplify right side
    49,769.84x = 1,940,282,309.35
  5. Step 5: Solve for x
    x = 1,940,282,309.35/49,769.84
  6. Step 6: Final answer
    x = 38,985.10

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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.