Home / 51,830.50-71,432.28-38,996.50

Finding the Fourth Proportional to 51,830.50, 71,432.28 and 38,996.50

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Solution

The fourth proportional to 51,830.50, 71,432.28 and 38,996.50 is: 53,744.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,830.50 : 71,432.28 = 38,996.50 : x
  2. Step 2: Convert to fraction form
    51,830.50/71,432.28 = 38,996.50/x
  3. Step 3: Cross multiply
    51,830.50x = 71,432.28 × 38,996.50
  4. Step 4: Simplify right side
    51,830.50x = 2,785,608,907.02
  5. Step 5: Solve for x
    x = 2,785,608,907.02/51,830.50
  6. Step 6: Final answer
    x = 53,744.59

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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.