Home / 56,771.43-78,344.60-32,911.94

Finding the Fourth Proportional to 56,771.43, 78,344.60 and 32,911.94

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Solution

The fourth proportional to 56,771.43, 78,344.60 and 32,911.94 is: 45,418.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,771.43 : 78,344.60 = 32,911.94 : x
  2. Step 2: Convert to fraction form
    56,771.43/78,344.60 = 32,911.94/x
  3. Step 3: Cross multiply
    56,771.43x = 78,344.60 × 32,911.94
  4. Step 4: Simplify right side
    56,771.43x = 2,578,472,218.24
  5. Step 5: Solve for x
    x = 2,578,472,218.24/56,771.43
  6. Step 6: Final answer
    x = 45,418.48

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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.