Home / 56,739.24-78,309.63-32,880.42

Finding the Fourth Proportional to 56,739.24, 78,309.63 and 32,880.42

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Solution

The fourth proportional to 56,739.24, 78,309.63 and 32,880.42 is: 45,380.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,739.24 : 78,309.63 = 32,880.42 : x
  2. Step 2: Convert to fraction form
    56,739.24/78,309.63 = 32,880.42/x
  3. Step 3: Cross multiply
    56,739.24x = 78,309.63 × 32,880.42
  4. Step 4: Simplify right side
    56,739.24x = 2,574,853,524.44
  5. Step 5: Solve for x
    x = 2,574,853,524.44/56,739.24
  6. Step 6: Final answer
    x = 45,380.47

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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.