Home / 40,415-55,764.24-23,418.26

Finding the Fourth Proportional to 40,415, 55,764.24 and 23,418.26

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Solution

The fourth proportional to 40,415, 55,764.24 and 23,418.26 is: 32,312.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,415 : 55,764.24 = 23,418.26 : x
  2. Step 2: Convert to fraction form
    40,415/55,764.24 = 23,418.26/x
  3. Step 3: Cross multiply
    40,415x = 55,764.24 × 23,418.26
  4. Step 4: Simplify right side
    40,415x = 1,305,901,471.02
  5. Step 5: Solve for x
    x = 1,305,901,471.02/40,415
  6. Step 6: Final answer
    x = 32,312.30

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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.