Home / 56,439.08-84,599.94-18,986.44

Finding the Fourth Proportional to 56,439.08, 84,599.94 and 18,986.44

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Solution

The fourth proportional to 56,439.08, 84,599.94 and 18,986.44 is: 28,459.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,439.08 : 84,599.94 = 18,986.44 : x
  2. Step 2: Convert to fraction form
    56,439.08/84,599.94 = 18,986.44/x
  3. Step 3: Cross multiply
    56,439.08x = 84,599.94 × 18,986.44
  4. Step 4: Simplify right side
    56,439.08x = 1,606,251,684.81
  5. Step 5: Solve for x
    x = 1,606,251,684.81/56,439.08
  6. Step 6: Final answer
    x = 28,459.92

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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.