Home / 30,600.23-45,902.57-12,813

Finding the Fourth Proportional to 30,600.23, 45,902.57 and 12,813

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Solution

The fourth proportional to 30,600.23, 45,902.57 and 12,813 is: 19,220.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,600.23 : 45,902.57 = 12,813 : x
  2. Step 2: Convert to fraction form
    30,600.23/45,902.57 = 12,813/x
  3. Step 3: Cross multiply
    30,600.23x = 45,902.57 × 12,813
  4. Step 4: Simplify right side
    30,600.23x = 588,149,565.35
  5. Step 5: Solve for x
    x = 588,149,565.35/30,600.23
  6. Step 6: Final answer
    x = 19,220.43

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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.