Home / 56,884.34-85,308-18,923.42

Finding the Fourth Proportional to 56,884.34, 85,308 and 18,923.42

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Solution

The fourth proportional to 56,884.34, 85,308 and 18,923.42 is: 28,378.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,884.34 : 85,308 = 18,923.42 : x
  2. Step 2: Convert to fraction form
    56,884.34/85,308 = 18,923.42/x
  3. Step 3: Cross multiply
    56,884.34x = 85,308 × 18,923.42
  4. Step 4: Simplify right side
    56,884.34x = 1,614,319,113.36
  5. Step 5: Solve for x
    x = 1,614,319,113.36/56,884.34
  6. Step 6: Final answer
    x = 28,378.97

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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.