Home / 30,305.59-45,461.01-9,250.38

Finding the Fourth Proportional to 30,305.59, 45,461.01 and 9,250.38

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Solution

The fourth proportional to 30,305.59, 45,461.01 and 9,250.38 is: 13,876.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,305.59 : 45,461.01 = 9,250.38 : x
  2. Step 2: Convert to fraction form
    30,305.59/45,461.01 = 9,250.38/x
  3. Step 3: Cross multiply
    30,305.59x = 45,461.01 × 9,250.38
  4. Step 4: Simplify right side
    30,305.59x = 420,531,617.68
  5. Step 5: Solve for x
    x = 420,531,617.68/30,305.59
  6. Step 6: Final answer
    x = 13,876.37

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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.