Home / 40,380.39-55,727.96-23,389.20

Finding the Fourth Proportional to 40,380.39, 55,727.96 and 23,389.20

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Solution

The fourth proportional to 40,380.39, 55,727.96 and 23,389.20 is: 32,278.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,380.39 : 55,727.96 = 23,389.20 : x
  2. Step 2: Convert to fraction form
    40,380.39/55,727.96 = 23,389.20/x
  3. Step 3: Cross multiply
    40,380.39x = 55,727.96 × 23,389.20
  4. Step 4: Simplify right side
    40,380.39x = 1,303,432,285.09
  5. Step 5: Solve for x
    x = 1,303,432,285.09/40,380.39
  6. Step 6: Final answer
    x = 32,278.84

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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.