Home / 45,426.78-62,688-25,283.22

Finding the Fourth Proportional to 45,426.78, 62,688 and 25,283.22

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Solution

The fourth proportional to 45,426.78, 62,688 and 25,283.22 is: 34,890.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,426.78 : 62,688 = 25,283.22 : x
  2. Step 2: Convert to fraction form
    45,426.78/62,688 = 25,283.22/x
  3. Step 3: Cross multiply
    45,426.78x = 62,688 × 25,283.22
  4. Step 4: Simplify right side
    45,426.78x = 1,584,954,495.36
  5. Step 5: Solve for x
    x = 1,584,954,495.36/45,426.78
  6. Step 6: Final answer
    x = 34,890.31

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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.