Home / 40,392.75-55,746.32-23,639.79

Finding the Fourth Proportional to 40,392.75, 55,746.32 and 23,639.79

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Solution

The fourth proportional to 40,392.75, 55,746.32 and 23,639.79 is: 32,625.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,392.75 : 55,746.32 = 23,639.79 : x
  2. Step 2: Convert to fraction form
    40,392.75/55,746.32 = 23,639.79/x
  3. Step 3: Cross multiply
    40,392.75x = 55,746.32 × 23,639.79
  4. Step 4: Simplify right side
    40,392.75x = 1,317,831,179.87
  5. Step 5: Solve for x
    x = 1,317,831,179.87/40,392.75
  6. Step 6: Final answer
    x = 32,625.44

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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.