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Finding the Fourth Proportional to 56,412.92, 84,621 and 16,965.92

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Solution

The fourth proportional to 56,412.92, 84,621 and 16,965.92 is: 25,449.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,412.92 : 84,621 = 16,965.92 : x
  2. Step 2: Convert to fraction form
    56,412.92/84,621 = 16,965.92/x
  3. Step 3: Cross multiply
    56,412.92x = 84,621 × 16,965.92
  4. Step 4: Simplify right side
    56,412.92x = 1,435,673,116.32
  5. Step 5: Solve for x
    x = 1,435,673,116.32/56,412.92
  6. Step 6: Final answer
    x = 25,449.37

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1.5x scale

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.