Home / 30,305.84-45,461.34-9,250.61

Finding the Fourth Proportional to 30,305.84, 45,461.34 and 9,250.61

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Solution

The fourth proportional to 30,305.84, 45,461.34 and 9,250.61 is: 13,876.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,305.84 : 45,461.34 = 9,250.61 : x
  2. Step 2: Convert to fraction form
    30,305.84/45,461.34 = 9,250.61/x
  3. Step 3: Cross multiply
    30,305.84x = 45,461.34 × 9,250.61
  4. Step 4: Simplify right side
    30,305.84x = 420,545,126.42
  5. Step 5: Solve for x
    x = 420,545,126.42/30,305.84
  6. Step 6: Final answer
    x = 13,876.70

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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.