Home / 40,289.76-55,646.46-30,261.96

Finding the Fourth Proportional to 40,289.76, 55,646.46 and 30,261.96

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Solution

The fourth proportional to 40,289.76, 55,646.46 and 30,261.96 is: 41,796.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,289.76 : 55,646.46 = 30,261.96 : x
  2. Step 2: Convert to fraction form
    40,289.76/55,646.46 = 30,261.96/x
  3. Step 3: Cross multiply
    40,289.76x = 55,646.46 × 30,261.96
  4. Step 4: Simplify right side
    40,289.76x = 1,683,970,946.66
  5. Step 5: Solve for x
    x = 1,683,970,946.66/40,289.76
  6. Step 6: Final answer
    x = 41,796.50

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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.