Home / 31,391.96-43,320.74-17,051.67

Finding the Fourth Proportional to 31,391.96, 43,320.74 and 17,051.67

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Solution

The fourth proportional to 31,391.96, 43,320.74 and 17,051.67 is: 23,531.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,391.96 : 43,320.74 = 17,051.67 : x
  2. Step 2: Convert to fraction form
    31,391.96/43,320.74 = 17,051.67/x
  3. Step 3: Cross multiply
    31,391.96x = 43,320.74 × 17,051.67
  4. Step 4: Simplify right side
    31,391.96x = 738,690,877.38
  5. Step 5: Solve for x
    x = 738,690,877.38/31,391.96
  6. Step 6: Final answer
    x = 23,531.22

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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.