Home / 40,918.38-56,493.31-28,019.24

Finding the Fourth Proportional to 40,918.38, 56,493.31 and 28,019.24

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Solution

The fourth proportional to 40,918.38, 56,493.31 and 28,019.24 is: 38,684.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,918.38 : 56,493.31 = 28,019.24 : x
  2. Step 2: Convert to fraction form
    40,918.38/56,493.31 = 28,019.24/x
  3. Step 3: Cross multiply
    40,918.38x = 56,493.31 × 28,019.24
  4. Step 4: Simplify right side
    40,918.38x = 1,582,899,576.54
  5. Step 5: Solve for x
    x = 1,582,899,576.54/40,918.38
  6. Step 6: Final answer
    x = 38,684.32

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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.