Home / 30,260.17-45,403.62-15,481.32

Finding the Fourth Proportional to 30,260.17, 45,403.62 and 15,481.32

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Solution

The fourth proportional to 30,260.17, 45,403.62 and 15,481.32 is: 23,228.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,260.17 : 45,403.62 = 15,481.32 : x
  2. Step 2: Convert to fraction form
    30,260.17/45,403.62 = 15,481.32/x
  3. Step 3: Cross multiply
    30,260.17x = 45,403.62 × 15,481.32
  4. Step 4: Simplify right side
    30,260.17x = 702,907,970.38
  5. Step 5: Solve for x
    x = 702,907,970.38/30,260.17
  6. Step 6: Final answer
    x = 23,228.82

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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.