Home / 56,118.77-84,181.86-18,677.33

Finding the Fourth Proportional to 56,118.77, 84,181.86 and 18,677.33

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Solution

The fourth proportional to 56,118.77, 84,181.86 and 18,677.33 is: 28,017.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,118.77 : 84,181.86 = 18,677.33 : x
  2. Step 2: Convert to fraction form
    56,118.77/84,181.86 = 18,677.33/x
  3. Step 3: Cross multiply
    56,118.77x = 84,181.86 × 18,677.33
  4. Step 4: Simplify right side
    56,118.77x = 1,572,291,958.32
  5. Step 5: Solve for x
    x = 1,572,291,958.32/56,118.77
  6. Step 6: Final answer
    x = 28,017.22

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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.