Home / 51,861.05-71,569.67-31,717.56

Finding the Fourth Proportional to 51,861.05, 71,569.67 and 31,717.56

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Solution

The fourth proportional to 51,861.05, 71,569.67 and 31,717.56 is: 43,771.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,861.05 : 71,569.67 = 31,717.56 : x
  2. Step 2: Convert to fraction form
    51,861.05/71,569.67 = 31,717.56/x
  3. Step 3: Cross multiply
    51,861.05x = 71,569.67 × 31,717.56
  4. Step 4: Simplify right side
    51,861.05x = 2,270,015,302.41
  5. Step 5: Solve for x
    x = 2,270,015,302.41/51,861.05
  6. Step 6: Final answer
    x = 43,771.10

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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.