Home / 40,494.94-60,760.86-20,787.35

Finding the Fourth Proportional to 40,494.94, 60,760.86 and 20,787.35

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Solution

The fourth proportional to 40,494.94, 60,760.86 and 20,787.35 is: 31,190.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,494.94 : 60,760.86 = 20,787.35 : x
  2. Step 2: Convert to fraction form
    40,494.94/60,760.86 = 20,787.35/x
  3. Step 3: Cross multiply
    40,494.94x = 60,760.86 × 20,787.35
  4. Step 4: Simplify right side
    40,494.94x = 1,263,056,959.32
  5. Step 5: Solve for x
    x = 1,263,056,959.32/40,494.94
  6. Step 6: Final answer
    x = 31,190.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.