Home / 40,385.94-55,739.39-23,387.28

Finding the Fourth Proportional to 40,385.94, 55,739.39 and 23,387.28

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Solution

The fourth proportional to 40,385.94, 55,739.39 and 23,387.28 is: 32,278.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,385.94 : 55,739.39 = 23,387.28 : x
  2. Step 2: Convert to fraction form
    40,385.94/55,739.39 = 23,387.28/x
  3. Step 3: Cross multiply
    40,385.94x = 55,739.39 × 23,387.28
  4. Step 4: Simplify right side
    40,385.94x = 1,303,592,604.02
  5. Step 5: Solve for x
    x = 1,303,592,604.02/40,385.94
  6. Step 6: Final answer
    x = 32,278.38

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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.