Home / 47,900.72-66,101.28-26,678.84

Finding the Fourth Proportional to 47,900.72, 66,101.28 and 26,678.84

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Solution

The fourth proportional to 47,900.72, 66,101.28 and 26,678.84 is: 36,815.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,900.72 : 66,101.28 = 26,678.84 : x
  2. Step 2: Convert to fraction form
    47,900.72/66,101.28 = 26,678.84/x
  3. Step 3: Cross multiply
    47,900.72x = 66,101.28 × 26,678.84
  4. Step 4: Simplify right side
    47,900.72x = 1,763,505,472.92
  5. Step 5: Solve for x
    x = 1,763,505,472.92/47,900.72
  6. Step 6: Final answer
    x = 36,815.84

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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.