Home / 42,550.97-63,835.93-12,971.10

Finding the Fourth Proportional to 42,550.97, 63,835.93 and 12,971.10

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Solution

The fourth proportional to 42,550.97, 63,835.93 and 12,971.10 is: 19,459.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,550.97 : 63,835.93 = 12,971.10 : x
  2. Step 2: Convert to fraction form
    42,550.97/63,835.93 = 12,971.10/x
  3. Step 3: Cross multiply
    42,550.97x = 63,835.93 × 12,971.10
  4. Step 4: Simplify right side
    42,550.97x = 828,022,414.26
  5. Step 5: Solve for x
    x = 828,022,414.26/42,550.97
  6. Step 6: Final answer
    x = 19,459.54

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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.