Home / 51,608.27-71,207.61-28,946.40

Finding the Fourth Proportional to 51,608.27, 71,207.61 and 28,946.40

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Solution

The fourth proportional to 51,608.27, 71,207.61 and 28,946.40 is: 39,939.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,608.27 : 71,207.61 = 28,946.40 : x
  2. Step 2: Convert to fraction form
    51,608.27/71,207.61 = 28,946.40/x
  3. Step 3: Cross multiply
    51,608.27x = 71,207.61 × 28,946.40
  4. Step 4: Simplify right side
    51,608.27x = 2,061,203,586.53
  5. Step 5: Solve for x
    x = 2,061,203,586.53/51,608.27
  6. Step 6: Final answer
    x = 39,939.40

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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.