Home / 51,743.48-77,611.56-18,459.78

Finding the Fourth Proportional to 51,743.48, 77,611.56 and 18,459.78

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Solution

The fourth proportional to 51,743.48, 77,611.56 and 18,459.78 is: 27,688.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,743.48 : 77,611.56 = 18,459.78 : x
  2. Step 2: Convert to fraction form
    51,743.48/77,611.56 = 18,459.78/x
  3. Step 3: Cross multiply
    51,743.48x = 77,611.56 × 18,459.78
  4. Step 4: Simplify right side
    51,743.48x = 1,432,692,323.06
  5. Step 5: Solve for x
    x = 1,432,692,323.06/51,743.48
  6. Step 6: Final answer
    x = 27,688.36

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.