Home / 40,792.40-56,350.86-31,480.64

Finding the Fourth Proportional to 40,792.40, 56,350.86 and 31,480.64

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Solution

The fourth proportional to 40,792.40, 56,350.86 and 31,480.64 is: 43,487.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,792.40 : 56,350.86 = 31,480.64 : x
  2. Step 2: Convert to fraction form
    40,792.40/56,350.86 = 31,480.64/x
  3. Step 3: Cross multiply
    40,792.40x = 56,350.86 × 31,480.64
  4. Step 4: Simplify right side
    40,792.40x = 1,773,961,137.35
  5. Step 5: Solve for x
    x = 1,773,961,137.35/40,792.40
  6. Step 6: Final answer
    x = 43,487.54

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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.