Home / 51,549.79-71,172.99-39,591.76

Finding the Fourth Proportional to 51,549.79, 71,172.99 and 39,591.76

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Solution

The fourth proportional to 51,549.79, 71,172.99 and 39,591.76 is: 54,662.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,549.79 : 71,172.99 = 39,591.76 : x
  2. Step 2: Convert to fraction form
    51,549.79/71,172.99 = 39,591.76/x
  3. Step 3: Cross multiply
    51,549.79x = 71,172.99 × 39,591.76
  4. Step 4: Simplify right side
    51,549.79x = 2,817,863,938.56
  5. Step 5: Solve for x
    x = 2,817,863,938.56/51,549.79
  6. Step 6: Final answer
    x = 54,662.96

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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.