Home / 43,178.11-64,684.06-26,489.41

Finding the Fourth Proportional to 43,178.11, 64,684.06 and 26,489.41

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Solution

The fourth proportional to 43,178.11, 64,684.06 and 26,489.41 is: 39,683.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,178.11 : 64,684.06 = 26,489.41 : x
  2. Step 2: Convert to fraction form
    43,178.11/64,684.06 = 26,489.41/x
  3. Step 3: Cross multiply
    43,178.11x = 64,684.06 × 26,489.41
  4. Step 4: Simplify right side
    43,178.11x = 1,713,442,585.80
  5. Step 5: Solve for x
    x = 1,713,442,585.80/43,178.11
  6. Step 6: Final answer
    x = 39,683.13

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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.