Home / 40,777.32-56,196.50-31,810.60

Finding the Fourth Proportional to 40,777.32, 56,196.50 and 31,810.60

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Solution

The fourth proportional to 40,777.32, 56,196.50 and 31,810.60 is: 43,839.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,777.32 : 56,196.50 = 31,810.60 : x
  2. Step 2: Convert to fraction form
    40,777.32/56,196.50 = 31,810.60/x
  3. Step 3: Cross multiply
    40,777.32x = 56,196.50 × 31,810.60
  4. Step 4: Simplify right side
    40,777.32x = 1,787,644,382.90
  5. Step 5: Solve for x
    x = 1,787,644,382.90/40,777.32
  6. Step 6: Final answer
    x = 43,839.18

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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.