Home / 51,949.12-77,904.54-18,660.24

Finding the Fourth Proportional to 51,949.12, 77,904.54 and 18,660.24

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Solution

The fourth proportional to 51,949.12, 77,904.54 and 18,660.24 is: 27,983.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,949.12 : 77,904.54 = 18,660.24 : x
  2. Step 2: Convert to fraction form
    51,949.12/77,904.54 = 18,660.24/x
  3. Step 3: Cross multiply
    51,949.12x = 77,904.54 × 18,660.24
  4. Step 4: Simplify right side
    51,949.12x = 1,453,717,705.63
  5. Step 5: Solve for x
    x = 1,453,717,705.63/51,949.12
  6. Step 6: Final answer
    x = 27,983.49

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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.