Home / 57,723.01-86,597.48-20,285.66

Finding the Fourth Proportional to 57,723.01, 86,597.48 and 20,285.66

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Solution

The fourth proportional to 57,723.01, 86,597.48 and 20,285.66 is: 30,433.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,723.01 : 86,597.48 = 20,285.66 : x
  2. Step 2: Convert to fraction form
    57,723.01/86,597.48 = 20,285.66/x
  3. Step 3: Cross multiply
    57,723.01x = 86,597.48 × 20,285.66
  4. Step 4: Simplify right side
    57,723.01x = 1,756,687,303.34
  5. Step 5: Solve for x
    x = 1,756,687,303.34/57,723.01
  6. Step 6: Final answer
    x = 30,433.05

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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.