Home / 56,127.96-84,173.62-18,677.96

Finding the Fourth Proportional to 56,127.96, 84,173.62 and 18,677.96

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Solution

The fourth proportional to 56,127.96, 84,173.62 and 18,677.96 is: 28,010.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,127.96 : 84,173.62 = 18,677.96 : x
  2. Step 2: Convert to fraction form
    56,127.96/84,173.62 = 18,677.96/x
  3. Step 3: Cross multiply
    56,127.96x = 84,173.62 × 18,677.96
  4. Step 4: Simplify right side
    56,127.96x = 1,572,191,507.42
  5. Step 5: Solve for x
    x = 1,572,191,507.42/56,127.96
  6. Step 6: Final answer
    x = 28,010.84

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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.