Home / 56,621.80-84,911.10-17,165.80

Finding the Fourth Proportional to 56,621.80, 84,911.10 and 17,165.80

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Solution

The fourth proportional to 56,621.80, 84,911.10 and 17,165.80 is: 25,742.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,621.80 : 84,911.10 = 17,165.80 : x
  2. Step 2: Convert to fraction form
    56,621.80/84,911.10 = 17,165.80/x
  3. Step 3: Cross multiply
    56,621.80x = 84,911.10 × 17,165.80
  4. Step 4: Simplify right side
    56,621.80x = 1,457,566,960.38
  5. Step 5: Solve for x
    x = 1,457,566,960.38/56,621.80
  6. Step 6: Final answer
    x = 25,742.15

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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.