Home / 40,336.74-55,663.50-22,431.42

Finding the Fourth Proportional to 40,336.74, 55,663.50 and 22,431.42

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Solution

The fourth proportional to 40,336.74, 55,663.50 and 22,431.42 is: 30,954.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,336.74 : 55,663.50 = 22,431.42 : x
  2. Step 2: Convert to fraction form
    40,336.74/55,663.50 = 22,431.42/x
  3. Step 3: Cross multiply
    40,336.74x = 55,663.50 × 22,431.42
  4. Step 4: Simplify right side
    40,336.74x = 1,248,611,347.17
  5. Step 5: Solve for x
    x = 1,248,611,347.17/40,336.74
  6. Step 6: Final answer
    x = 30,954.69

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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.