Home / 31,156.18-46,732.75-11,433.49

Finding the Fourth Proportional to 31,156.18, 46,732.75 and 11,433.49

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Solution

The fourth proportional to 31,156.18, 46,732.75 and 11,433.49 is: 17,149.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,156.18 : 46,732.75 = 11,433.49 : x
  2. Step 2: Convert to fraction form
    31,156.18/46,732.75 = 11,433.49/x
  3. Step 3: Cross multiply
    31,156.18x = 46,732.75 × 11,433.49
  4. Step 4: Simplify right side
    31,156.18x = 534,318,284.38
  5. Step 5: Solve for x
    x = 534,318,284.38/31,156.18
  6. Step 6: Final answer
    x = 17,149.67

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1.5x scale

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.