Home / 43,178.10-64,684.06-26,489.40

Finding the Fourth Proportional to 43,178.10, 64,684.06 and 26,489.40

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Solution

The fourth proportional to 43,178.10, 64,684.06 and 26,489.40 is: 39,683.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,178.10 : 64,684.06 = 26,489.40 : x
  2. Step 2: Convert to fraction form
    43,178.10/64,684.06 = 26,489.40/x
  3. Step 3: Cross multiply
    43,178.10x = 64,684.06 × 26,489.40
  4. Step 4: Simplify right side
    43,178.10x = 1,713,441,938.96
  5. Step 5: Solve for x
    x = 1,713,441,938.96/43,178.10
  6. Step 6: Final answer
    x = 39,683.12

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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.