Home / 40,320.99-55,615.41-36,974.88

Finding the Fourth Proportional to 40,320.99, 55,615.41 and 36,974.88

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Solution

The fourth proportional to 40,320.99, 55,615.41 and 36,974.88 is: 51,000.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,320.99 : 55,615.41 = 36,974.88 : x
  2. Step 2: Convert to fraction form
    40,320.99/55,615.41 = 36,974.88/x
  3. Step 3: Cross multiply
    40,320.99x = 55,615.41 × 36,974.88
  4. Step 4: Simplify right side
    40,320.99x = 2,056,373,110.90
  5. Step 5: Solve for x
    x = 2,056,373,110.90/40,320.99
  6. Step 6: Final answer
    x = 51,000.07

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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.