Home / 34,892.80-52,262.40-21,017.60

Finding the Fourth Proportional to 34,892.80, 52,262.40 and 21,017.60

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Solution

The fourth proportional to 34,892.80, 52,262.40 and 21,017.60 is: 31,480.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,892.80 : 52,262.40 = 21,017.60 : x
  2. Step 2: Convert to fraction form
    34,892.80/52,262.40 = 21,017.60/x
  3. Step 3: Cross multiply
    34,892.80x = 52,262.40 × 21,017.60
  4. Step 4: Simplify right side
    34,892.80x = 1,098,430,218.24
  5. Step 5: Solve for x
    x = 1,098,430,218.24/34,892.80
  6. Step 6: Final answer
    x = 31,480.14

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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.