Home / 56,441.39-84,662.08-18,998.32

Finding the Fourth Proportional to 56,441.39, 84,662.08 and 18,998.32

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Solution

The fourth proportional to 56,441.39, 84,662.08 and 18,998.32 is: 28,497.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,441.39 : 84,662.08 = 18,998.32 : x
  2. Step 2: Convert to fraction form
    56,441.39/84,662.08 = 18,998.32/x
  3. Step 3: Cross multiply
    56,441.39x = 84,662.08 × 18,998.32
  4. Step 4: Simplify right side
    56,441.39x = 1,608,437,287.71
  5. Step 5: Solve for x
    x = 1,608,437,287.71/56,441.39
  6. Step 6: Final answer
    x = 28,497.48

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Similar ratio
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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.