Home / 53,862.52-80,813.24-18,807.36

Finding the Fourth Proportional to 53,862.52, 80,813.24 and 18,807.36

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Solution

The fourth proportional to 53,862.52, 80,813.24 and 18,807.36 is: 28,217.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,862.52 : 80,813.24 = 18,807.36 : x
  2. Step 2: Convert to fraction form
    53,862.52/80,813.24 = 18,807.36/x
  3. Step 3: Cross multiply
    53,862.52x = 80,813.24 × 18,807.36
  4. Step 4: Simplify right side
    53,862.52x = 1,519,883,697.45
  5. Step 5: Solve for x
    x = 1,519,883,697.45/53,862.52
  6. Step 6: Final answer
    x = 28,217.83

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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.