Home / 30,079.27-45,093.54-18,961.46

Finding the Fourth Proportional to 30,079.27, 45,093.54 and 18,961.46

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Solution

The fourth proportional to 30,079.27, 45,093.54 and 18,961.46 is: 28,426.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,079.27 : 45,093.54 = 18,961.46 : x
  2. Step 2: Convert to fraction form
    30,079.27/45,093.54 = 18,961.46/x
  3. Step 3: Cross multiply
    30,079.27x = 45,093.54 × 18,961.46
  4. Step 4: Simplify right side
    30,079.27x = 855,039,354.97
  5. Step 5: Solve for x
    x = 855,039,354.97/30,079.27
  6. Step 6: Final answer
    x = 28,426.20

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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.