Home / 40,986.99-56,152.38-39,451.20

Finding the Fourth Proportional to 40,986.99, 56,152.38 and 39,451.20

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Solution

The fourth proportional to 40,986.99, 56,152.38 and 39,451.20 is: 54,048.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,986.99 : 56,152.38 = 39,451.20 : x
  2. Step 2: Convert to fraction form
    40,986.99/56,152.38 = 39,451.20/x
  3. Step 3: Cross multiply
    40,986.99x = 56,152.38 × 39,451.20
  4. Step 4: Simplify right side
    40,986.99x = 2,215,278,773.86
  5. Step 5: Solve for x
    x = 2,215,278,773.86/40,986.99
  6. Step 6: Final answer
    x = 54,048.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.