Home / 40,689.44-56,149.88-22,783.55

Finding the Fourth Proportional to 40,689.44, 56,149.88 and 22,783.55

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Solution

The fourth proportional to 40,689.44, 56,149.88 and 22,783.55 is: 31,440.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,689.44 : 56,149.88 = 22,783.55 : x
  2. Step 2: Convert to fraction form
    40,689.44/56,149.88 = 22,783.55/x
  3. Step 3: Cross multiply
    40,689.44x = 56,149.88 × 22,783.55
  4. Step 4: Simplify right side
    40,689.44x = 1,279,293,203.81
  5. Step 5: Solve for x
    x = 1,279,293,203.81/40,689.44
  6. Step 6: Final answer
    x = 31,440.43

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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.