Home / 31,114.46-42,936.26-17,683.85

Finding the Fourth Proportional to 31,114.46, 42,936.26 and 17,683.85

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Solution

The fourth proportional to 31,114.46, 42,936.26 and 17,683.85 is: 24,402.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,114.46 : 42,936.26 = 17,683.85 : x
  2. Step 2: Convert to fraction form
    31,114.46/42,936.26 = 17,683.85/x
  3. Step 3: Cross multiply
    31,114.46x = 42,936.26 × 17,683.85
  4. Step 4: Simplify right side
    31,114.46x = 759,278,381.40
  5. Step 5: Solve for x
    x = 759,278,381.40/31,114.46
  6. Step 6: Final answer
    x = 24,402.75

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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.