Home / 40,971.44-61,471.88-14,321.32

Finding the Fourth Proportional to 40,971.44, 61,471.88 and 14,321.32

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Solution

The fourth proportional to 40,971.44, 61,471.88 and 14,321.32 is: 21,487.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,971.44 : 61,471.88 = 14,321.32 : x
  2. Step 2: Convert to fraction form
    40,971.44/61,471.88 = 14,321.32/x
  3. Step 3: Cross multiply
    40,971.44x = 61,471.88 × 14,321.32
  4. Step 4: Simplify right side
    40,971.44x = 880,358,464.48
  5. Step 5: Solve for x
    x = 880,358,464.48/40,971.44
  6. Step 6: Final answer
    x = 21,487.13

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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.