Home / 40,730.24-56,131.68-31,763.60

Finding the Fourth Proportional to 40,730.24, 56,131.68 and 31,763.60

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Solution

The fourth proportional to 40,730.24, 56,131.68 and 31,763.60 is: 43,774.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,730.24 : 56,131.68 = 31,763.60 : x
  2. Step 2: Convert to fraction form
    40,730.24/56,131.68 = 31,763.60/x
  3. Step 3: Cross multiply
    40,730.24x = 56,131.68 × 31,763.60
  4. Step 4: Simplify right side
    40,730.24x = 1,782,944,230.85
  5. Step 5: Solve for x
    x = 1,782,944,230.85/40,730.24
  6. Step 6: Final answer
    x = 43,774.46

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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.