Home / 30,914.50-42,630.96-27,500.90

Finding the Fourth Proportional to 30,914.50, 42,630.96 and 27,500.90

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Solution

The fourth proportional to 30,914.50, 42,630.96 and 27,500.90 is: 37,923.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,914.50 : 42,630.96 = 27,500.90 : x
  2. Step 2: Convert to fraction form
    30,914.50/42,630.96 = 27,500.90/x
  3. Step 3: Cross multiply
    30,914.50x = 42,630.96 × 27,500.90
  4. Step 4: Simplify right side
    30,914.50x = 1,172,389,767.86
  5. Step 5: Solve for x
    x = 1,172,389,767.86/30,914.50
  6. Step 6: Final answer
    x = 37,923.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.