Home / 74,648.68-111,979.50-27,276.76

Finding the Fourth Proportional to 74,648.68, 111,979.50 and 27,276.76

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Solution

The fourth proportional to 74,648.68, 111,979.50 and 27,276.76 is: 40,917.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,648.68 : 111,979.50 = 27,276.76 : x
  2. Step 2: Convert to fraction form
    74,648.68/111,979.50 = 27,276.76/x
  3. Step 3: Cross multiply
    74,648.68x = 111,979.50 × 27,276.76
  4. Step 4: Simplify right side
    74,648.68x = 3,054,437,946.42
  5. Step 5: Solve for x
    x = 3,054,437,946.42/74,648.68
  6. Step 6: Final answer
    x = 40,917.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.