Home / 56,299.44-77,694.36-31,149.36

Finding the Fourth Proportional to 56,299.44, 77,694.36 and 31,149.36

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Solution

The fourth proportional to 56,299.44, 77,694.36 and 31,149.36 is: 42,986.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,299.44 : 77,694.36 = 31,149.36 : x
  2. Step 2: Convert to fraction form
    56,299.44/77,694.36 = 31,149.36/x
  3. Step 3: Cross multiply
    56,299.44x = 77,694.36 × 31,149.36
  4. Step 4: Simplify right side
    56,299.44x = 2,420,129,589.61
  5. Step 5: Solve for x
    x = 2,420,129,589.61/56,299.44
  6. Step 6: Final answer
    x = 42,986.74

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1.5x scale

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.