Home / 40,380.37-55,727.93-23,389.20

Finding the Fourth Proportional to 40,380.37, 55,727.93 and 23,389.20

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Solution

The fourth proportional to 40,380.37, 55,727.93 and 23,389.20 is: 32,278.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,380.37 : 55,727.93 = 23,389.20 : x
  2. Step 2: Convert to fraction form
    40,380.37/55,727.93 = 23,389.20/x
  3. Step 3: Cross multiply
    40,380.37x = 55,727.93 × 23,389.20
  4. Step 4: Simplify right side
    40,380.37x = 1,303,431,758.83
  5. Step 5: Solve for x
    x = 1,303,431,758.83/40,380.37
  6. Step 6: Final answer
    x = 32,278.85

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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.