Home / 31,039.53-42,834.71-16,892.38

Finding the Fourth Proportional to 31,039.53, 42,834.71 and 16,892.38

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Solution

The fourth proportional to 31,039.53, 42,834.71 and 16,892.38 is: 23,311.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,039.53 : 42,834.71 = 16,892.38 : x
  2. Step 2: Convert to fraction form
    31,039.53/42,834.71 = 16,892.38/x
  3. Step 3: Cross multiply
    31,039.53x = 42,834.71 × 16,892.38
  4. Step 4: Simplify right side
    31,039.53x = 723,579,899.87
  5. Step 5: Solve for x
    x = 723,579,899.87/31,039.53
  6. Step 6: Final answer
    x = 23,311.56

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1.5x scale

Why These Related Problems?

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