Home / 30,057.96-45,091.05-12,523.70

Finding the Fourth Proportional to 30,057.96, 45,091.05 and 12,523.70

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Solution

The fourth proportional to 30,057.96, 45,091.05 and 12,523.70 is: 18,787.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,057.96 : 45,091.05 = 12,523.70 : x
  2. Step 2: Convert to fraction form
    30,057.96/45,091.05 = 12,523.70/x
  3. Step 3: Cross multiply
    30,057.96x = 45,091.05 × 12,523.70
  4. Step 4: Simplify right side
    30,057.96x = 564,706,557.43
  5. Step 5: Solve for x
    x = 564,706,557.43/30,057.96
  6. Step 6: Final answer
    x = 18,787.25

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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.