Home / 30,314.79-45,481.19-15,534.09

Finding the Fourth Proportional to 30,314.79, 45,481.19 and 15,534.09

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Solution

The fourth proportional to 30,314.79, 45,481.19 and 15,534.09 is: 23,305.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,314.79 : 45,481.19 = 15,534.09 : x
  2. Step 2: Convert to fraction form
    30,314.79/45,481.19 = 15,534.09/x
  3. Step 3: Cross multiply
    30,314.79x = 45,481.19 × 15,534.09
  4. Step 4: Simplify right side
    30,314.79x = 706,508,821.10
  5. Step 5: Solve for x
    x = 706,508,821.10/30,314.79
  6. Step 6: Final answer
    x = 23,305.75

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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.