Home / 30,037.73-45,056.63-12,268.38

Finding the Fourth Proportional to 30,037.73, 45,056.63 and 12,268.38

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Solution

The fourth proportional to 30,037.73, 45,056.63 and 12,268.38 is: 18,402.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,037.73 : 45,056.63 = 12,268.38 : x
  2. Step 2: Convert to fraction form
    30,037.73/45,056.63 = 12,268.38/x
  3. Step 3: Cross multiply
    30,037.73x = 45,056.63 × 12,268.38
  4. Step 4: Simplify right side
    30,037.73x = 552,771,965.98
  5. Step 5: Solve for x
    x = 552,771,965.98/30,037.73
  6. Step 6: Final answer
    x = 18,402.59

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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.