Home / 31,039.32-42,834.48-16,892.16

Finding the Fourth Proportional to 31,039.32, 42,834.48 and 16,892.16

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Solution

The fourth proportional to 31,039.32, 42,834.48 and 16,892.16 is: 23,311.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,039.32 : 42,834.48 = 16,892.16 : x
  2. Step 2: Convert to fraction form
    31,039.32/42,834.48 = 16,892.16/x
  3. Step 3: Cross multiply
    31,039.32x = 42,834.48 × 16,892.16
  4. Step 4: Simplify right side
    31,039.32x = 723,566,889.68
  5. Step 5: Solve for x
    x = 723,566,889.68/31,039.32
  6. Step 6: Final answer
    x = 23,311.30

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.