Home / 56,946.21-78,619.35-39,067.49

Finding the Fourth Proportional to 56,946.21, 78,619.35 and 39,067.49

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Solution

The fourth proportional to 56,946.21, 78,619.35 and 39,067.49 is: 53,936.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,946.21 : 78,619.35 = 39,067.49 : x
  2. Step 2: Convert to fraction form
    56,946.21/78,619.35 = 39,067.49/x
  3. Step 3: Cross multiply
    56,946.21x = 78,619.35 × 39,067.49
  4. Step 4: Simplify right side
    56,946.21x = 3,071,460,517.17
  5. Step 5: Solve for x
    x = 3,071,460,517.17/56,946.21
  6. Step 6: Final answer
    x = 53,936.17

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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.