Home / 56,310.52-77,708.50-30,816.90

Finding the Fourth Proportional to 56,310.52, 77,708.50 and 30,816.90

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Solution

The fourth proportional to 56,310.52, 77,708.50 and 30,816.90 is: 42,527.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,310.52 : 77,708.50 = 30,816.90 : x
  2. Step 2: Convert to fraction form
    56,310.52/77,708.50 = 30,816.90/x
  3. Step 3: Cross multiply
    56,310.52x = 77,708.50 × 30,816.90
  4. Step 4: Simplify right side
    56,310.52x = 2,394,735,169.95
  5. Step 5: Solve for x
    x = 2,394,735,169.95/56,310.52
  6. Step 6: Final answer
    x = 42,527.31

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.