Home / 42,452.12-63,662.29-12,460.19

Finding the Fourth Proportional to 42,452.12, 63,662.29 and 12,460.19

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Solution

The fourth proportional to 42,452.12, 63,662.29 and 12,460.19 is: 18,685.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,452.12 : 63,662.29 = 12,460.19 : x
  2. Step 2: Convert to fraction form
    42,452.12/63,662.29 = 12,460.19/x
  3. Step 3: Cross multiply
    42,452.12x = 63,662.29 × 12,460.19
  4. Step 4: Simplify right side
    42,452.12x = 793,243,879.77
  5. Step 5: Solve for x
    x = 793,243,879.77/42,452.12
  6. Step 6: Final answer
    x = 18,685.61

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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.