Home / 56,451.94-84,647.64-18,999.58

Finding the Fourth Proportional to 56,451.94, 84,647.64 and 18,999.58

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Solution

The fourth proportional to 56,451.94, 84,647.64 and 18,999.58 is: 28,489.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,451.94 : 84,647.64 = 18,999.58 : x
  2. Step 2: Convert to fraction form
    56,451.94/84,647.64 = 18,999.58/x
  3. Step 3: Cross multiply
    56,451.94x = 84,647.64 × 18,999.58
  4. Step 4: Simplify right side
    56,451.94x = 1,608,269,607.99
  5. Step 5: Solve for x
    x = 1,608,269,607.99/56,451.94
  6. Step 6: Final answer
    x = 28,489.18

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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.