Home / 51,451.80-77,179.05-14,012.19

Finding the Fourth Proportional to 51,451.80, 77,179.05 and 14,012.19

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Solution

The fourth proportional to 51,451.80, 77,179.05 and 14,012.19 is: 21,018.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,451.80 : 77,179.05 = 14,012.19 : x
  2. Step 2: Convert to fraction form
    51,451.80/77,179.05 = 14,012.19/x
  3. Step 3: Cross multiply
    51,451.80x = 77,179.05 × 14,012.19
  4. Step 4: Simplify right side
    51,451.80x = 1,081,447,512.62
  5. Step 5: Solve for x
    x = 1,081,447,512.62/51,451.80
  6. Step 6: Final answer
    x = 21,018.65

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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.