Home / 51,548.03-71,170.54-39,590

Finding the Fourth Proportional to 51,548.03, 71,170.54 and 39,590

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Solution

The fourth proportional to 51,548.03, 71,170.54 and 39,590 is: 54,660.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,548.03 : 71,170.54 = 39,590 : x
  2. Step 2: Convert to fraction form
    51,548.03/71,170.54 = 39,590/x
  3. Step 3: Cross multiply
    51,548.03x = 71,170.54 × 39,590
  4. Step 4: Simplify right side
    51,548.03x = 2,817,641,678.60
  5. Step 5: Solve for x
    x = 2,817,641,678.60/51,548.03
  6. Step 6: Final answer
    x = 54,660.51

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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.