Home / 56,655.44-84,996-18,707.36

Finding the Fourth Proportional to 56,655.44, 84,996 and 18,707.36

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Solution

The fourth proportional to 56,655.44, 84,996 and 18,707.36 is: 28,065.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,655.44 : 84,996 = 18,707.36 : x
  2. Step 2: Convert to fraction form
    56,655.44/84,996 = 18,707.36/x
  3. Step 3: Cross multiply
    56,655.44x = 84,996 × 18,707.36
  4. Step 4: Simplify right side
    56,655.44x = 1,590,050,770.56
  5. Step 5: Solve for x
    x = 1,590,050,770.56/56,655.44
  6. Step 6: Final answer
    x = 28,065.28

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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.