Home / 30,305.17-45,460.34-9,249.93

Finding the Fourth Proportional to 30,305.17, 45,460.34 and 9,249.93

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Solution

The fourth proportional to 30,305.17, 45,460.34 and 9,249.93 is: 13,875.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,305.17 : 45,460.34 = 9,249.93 : x
  2. Step 2: Convert to fraction form
    30,305.17/45,460.34 = 9,249.93/x
  3. Step 3: Cross multiply
    30,305.17x = 45,460.34 × 9,249.93
  4. Step 4: Simplify right side
    30,305.17x = 420,504,951.21
  5. Step 5: Solve for x
    x = 420,504,951.21/30,305.17
  6. Step 6: Final answer
    x = 13,875.68

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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.