Home / 40,281.37-60,442.52-18,090.21

Finding the Fourth Proportional to 40,281.37, 60,442.52 and 18,090.21

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Solution

The fourth proportional to 40,281.37, 60,442.52 and 18,090.21 is: 27,144.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,281.37 : 60,442.52 = 18,090.21 : x
  2. Step 2: Convert to fraction form
    40,281.37/60,442.52 = 18,090.21/x
  3. Step 3: Cross multiply
    40,281.37x = 60,442.52 × 18,090.21
  4. Step 4: Simplify right side
    40,281.37x = 1,093,417,879.73
  5. Step 5: Solve for x
    x = 1,093,417,879.73/40,281.37
  6. Step 6: Final answer
    x = 27,144.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.