Home / 45,272.31-62,472.81-25,128.21

Finding the Fourth Proportional to 45,272.31, 62,472.81 and 25,128.21

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Solution

The fourth proportional to 45,272.31, 62,472.81 and 25,128.21 is: 34,675.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,272.31 : 62,472.81 = 25,128.21 : x
  2. Step 2: Convert to fraction form
    45,272.31/62,472.81 = 25,128.21/x
  3. Step 3: Cross multiply
    45,272.31x = 62,472.81 × 25,128.21
  4. Step 4: Simplify right side
    45,272.31x = 1,569,829,888.97
  5. Step 5: Solve for x
    x = 1,569,829,888.97/45,272.31
  6. Step 6: Final answer
    x = 34,675.28

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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.