Home / 43,176.10-64,634.55-25,636.90

Finding the Fourth Proportional to 43,176.10, 64,634.55 and 25,636.90

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Solution

The fourth proportional to 43,176.10, 64,634.55 and 25,636.90 is: 38,378.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,176.10 : 64,634.55 = 25,636.90 : x
  2. Step 2: Convert to fraction form
    43,176.10/64,634.55 = 25,636.90/x
  3. Step 3: Cross multiply
    43,176.10x = 64,634.55 × 25,636.90
  4. Step 4: Simplify right side
    43,176.10x = 1,657,029,494.90
  5. Step 5: Solve for x
    x = 1,657,029,494.90/43,176.10
  6. Step 6: Final answer
    x = 38,378.40

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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.