Home / 56,579.20-78,046.81-35,321.56

Finding the Fourth Proportional to 56,579.20, 78,046.81 and 35,321.56

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Solution

The fourth proportional to 56,579.20, 78,046.81 and 35,321.56 is: 48,723.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,579.20 : 78,046.81 = 35,321.56 : x
  2. Step 2: Convert to fraction form
    56,579.20/78,046.81 = 35,321.56/x
  3. Step 3: Cross multiply
    56,579.20x = 78,046.81 × 35,321.56
  4. Step 4: Simplify right side
    56,579.20x = 2,756,734,997.49
  5. Step 5: Solve for x
    x = 2,756,734,997.49/56,579.20
  6. Step 6: Final answer
    x = 48,723.47

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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.