Home / 53,528.40-80,273.70-18,459.90

Finding the Fourth Proportional to 53,528.40, 80,273.70 and 18,459.90

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Solution

The fourth proportional to 53,528.40, 80,273.70 and 18,459.90 is: 27,683.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,528.40 : 80,273.70 = 18,459.90 : x
  2. Step 2: Convert to fraction form
    53,528.40/80,273.70 = 18,459.90/x
  3. Step 3: Cross multiply
    53,528.40x = 80,273.70 × 18,459.90
  4. Step 4: Simplify right side
    53,528.40x = 1,481,844,474.63
  5. Step 5: Solve for x
    x = 1,481,844,474.63/53,528.40
  6. Step 6: Final answer
    x = 27,683.33

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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.