Home / 56,720.82-85,094.04-18,770.00

Finding the Fourth Proportional to 56,720.82, 85,094.04 and 18,770.00

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Solution

The fourth proportional to 56,720.82, 85,094.04 and 18,770.00 is: 28,159.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,720.82 : 85,094.04 = 18,770.00 : x
  2. Step 2: Convert to fraction form
    56,720.82/85,094.04 = 18,770.00/x
  3. Step 3: Cross multiply
    56,720.82x = 85,094.04 × 18,770.00
  4. Step 4: Simplify right side
    56,720.82x = 1,597,214,670.14
  5. Step 5: Solve for x
    x = 1,597,214,670.14/56,720.82
  6. Step 6: Final answer
    x = 28,159.23

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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.