Home / 40,395.28-55,749-23,633.68

Finding the Fourth Proportional to 40,395.28, 55,749 and 23,633.68

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Solution

The fourth proportional to 40,395.28, 55,749 and 23,633.68 is: 32,616.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,395.28 : 55,749 = 23,633.68 : x
  2. Step 2: Convert to fraction form
    40,395.28/55,749 = 23,633.68/x
  3. Step 3: Cross multiply
    40,395.28x = 55,749 × 23,633.68
  4. Step 4: Simplify right side
    40,395.28x = 1,317,554,026.32
  5. Step 5: Solve for x
    x = 1,317,554,026.32/40,395.28
  6. Step 6: Final answer
    x = 32,616.53

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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.