Home / 40,620.31-56,000.91-28,504.33

Finding the Fourth Proportional to 40,620.31, 56,000.91 and 28,504.33

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Solution

The fourth proportional to 40,620.31, 56,000.91 and 28,504.33 is: 39,297.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,620.31 : 56,000.91 = 28,504.33 : x
  2. Step 2: Convert to fraction form
    40,620.31/56,000.91 = 28,504.33/x
  3. Step 3: Cross multiply
    40,620.31x = 56,000.91 × 28,504.33
  4. Step 4: Simplify right side
    40,620.31x = 1,596,268,418.94
  5. Step 5: Solve for x
    x = 1,596,268,418.94/40,620.31
  6. Step 6: Final answer
    x = 39,297.30

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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.