Home / 30,284.51-45,428.60-9,226.09

Finding the Fourth Proportional to 30,284.51, 45,428.60 and 9,226.09

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Solution

The fourth proportional to 30,284.51, 45,428.60 and 9,226.09 is: 13,839.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,284.51 : 45,428.60 = 9,226.09 : x
  2. Step 2: Convert to fraction form
    30,284.51/45,428.60 = 9,226.09/x
  3. Step 3: Cross multiply
    30,284.51x = 45,428.60 × 9,226.09
  4. Step 4: Simplify right side
    30,284.51x = 419,128,432.02
  5. Step 5: Solve for x
    x = 419,128,432.02/30,284.51
  6. Step 6: Final answer
    x = 13,839.70

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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.