Home / 51,432.81-70,983.84-28,773.06

Finding the Fourth Proportional to 51,432.81, 70,983.84 and 28,773.06

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Solution

The fourth proportional to 51,432.81, 70,983.84 and 28,773.06 is: 39,710.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,432.81 : 70,983.84 = 28,773.06 : x
  2. Step 2: Convert to fraction form
    51,432.81/70,983.84 = 28,773.06/x
  3. Step 3: Cross multiply
    51,432.81x = 70,983.84 × 28,773.06
  4. Step 4: Simplify right side
    51,432.81x = 2,042,422,287.35
  5. Step 5: Solve for x
    x = 2,042,422,287.35/51,432.81
  6. Step 6: Final answer
    x = 39,710.49

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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.