Home / 45,590.45-62,943.71-31,274.26

Finding the Fourth Proportional to 45,590.45, 62,943.71 and 31,274.26

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Solution

The fourth proportional to 45,590.45, 62,943.71 and 31,274.26 is: 43,178.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,590.45 : 62,943.71 = 31,274.26 : x
  2. Step 2: Convert to fraction form
    45,590.45/62,943.71 = 31,274.26/x
  3. Step 3: Cross multiply
    45,590.45x = 62,943.71 × 31,274.26
  4. Step 4: Simplify right side
    45,590.45x = 1,968,517,638.17
  5. Step 5: Solve for x
    x = 1,968,517,638.17/45,590.45
  6. Step 6: Final answer
    x = 43,178.29

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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.