Home / 62,964.76-94,461-20,857.90

Finding the Fourth Proportional to 62,964.76, 94,461 and 20,857.90

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Solution

The fourth proportional to 62,964.76, 94,461 and 20,857.90 is: 31,291.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,964.76 : 94,461 = 20,857.90 : x
  2. Step 2: Convert to fraction form
    62,964.76/94,461 = 20,857.90/x
  3. Step 3: Cross multiply
    62,964.76x = 94,461 × 20,857.90
  4. Step 4: Simplify right side
    62,964.76x = 1,970,258,091.90
  5. Step 5: Solve for x
    x = 1,970,258,091.90/62,964.76
  6. Step 6: Final answer
    x = 31,291.44

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.