Home / 51,479.82-77,217.40-14,039.90

Finding the Fourth Proportional to 51,479.82, 77,217.40 and 14,039.90

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Solution

The fourth proportional to 51,479.82, 77,217.40 and 14,039.90 is: 21,059.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,479.82 : 77,217.40 = 14,039.90 : x
  2. Step 2: Convert to fraction form
    51,479.82/77,217.40 = 14,039.90/x
  3. Step 3: Cross multiply
    51,479.82x = 77,217.40 × 14,039.90
  4. Step 4: Simplify right side
    51,479.82x = 1,084,124,495.29
  5. Step 5: Solve for x
    x = 1,084,124,495.29/51,479.82
  6. Step 6: Final answer
    x = 21,059.21

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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.