Home / 42,558.24-63,834.96-18,858.96

Finding the Fourth Proportional to 42,558.24, 63,834.96 and 18,858.96

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Solution

The fourth proportional to 42,558.24, 63,834.96 and 18,858.96 is: 28,287.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,558.24 : 63,834.96 = 18,858.96 : x
  2. Step 2: Convert to fraction form
    42,558.24/63,834.96 = 18,858.96/x
  3. Step 3: Cross multiply
    42,558.24x = 63,834.96 × 18,858.96
  4. Step 4: Simplify right side
    42,558.24x = 1,203,860,957.24
  5. Step 5: Solve for x
    x = 1,203,860,957.24/42,558.24
  6. Step 6: Final answer
    x = 28,287.38

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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.