Home / 43,396.40-64,989.48-30,031.94

Finding the Fourth Proportional to 43,396.40, 64,989.48 and 30,031.94

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Solution

The fourth proportional to 43,396.40, 64,989.48 and 30,031.94 is: 44,975.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,396.40 : 64,989.48 = 30,031.94 : x
  2. Step 2: Convert to fraction form
    43,396.40/64,989.48 = 30,031.94/x
  3. Step 3: Cross multiply
    43,396.40x = 64,989.48 × 30,031.94
  4. Step 4: Simplify right side
    43,396.40x = 1,951,760,013.83
  5. Step 5: Solve for x
    x = 1,951,760,013.83/43,396.40
  6. Step 6: Final answer
    x = 44,975.16

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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.