Home / 42,255.57-63,379.23-11,090.82

Finding the Fourth Proportional to 42,255.57, 63,379.23 and 11,090.82

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Solution

The fourth proportional to 42,255.57, 63,379.23 and 11,090.82 is: 16,635.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,255.57 : 63,379.23 = 11,090.82 : x
  2. Step 2: Convert to fraction form
    42,255.57/63,379.23 = 11,090.82/x
  3. Step 3: Cross multiply
    42,255.57x = 63,379.23 × 11,090.82
  4. Step 4: Simplify right side
    42,255.57x = 702,927,631.67
  5. Step 5: Solve for x
    x = 702,927,631.67/42,255.57
  6. Step 6: Final answer
    x = 16,635.15

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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.