Home / 45,414.48-62,638.47-31,271.88

Finding the Fourth Proportional to 45,414.48, 62,638.47 and 31,271.88

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Solution

The fourth proportional to 45,414.48, 62,638.47 and 31,271.88 is: 43,132.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,414.48 : 62,638.47 = 31,271.88 : x
  2. Step 2: Convert to fraction form
    45,414.48/62,638.47 = 31,271.88/x
  3. Step 3: Cross multiply
    45,414.48x = 62,638.47 × 31,271.88
  4. Step 4: Simplify right side
    45,414.48x = 1,958,822,717.22
  5. Step 5: Solve for x
    x = 1,958,822,717.22/45,414.48
  6. Step 6: Final answer
    x = 43,132.12

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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.