Home / 30,093.08-45,150.42-13,451.72

Finding the Fourth Proportional to 30,093.08, 45,150.42 and 13,451.72

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Solution

The fourth proportional to 30,093.08, 45,150.42 and 13,451.72 is: 20,182.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,093.08 : 45,150.42 = 13,451.72 : x
  2. Step 2: Convert to fraction form
    30,093.08/45,150.42 = 13,451.72/x
  3. Step 3: Cross multiply
    30,093.08x = 45,150.42 × 13,451.72
  4. Step 4: Simplify right side
    30,093.08x = 607,350,807.72
  5. Step 5: Solve for x
    x = 607,350,807.72/30,093.08
  6. Step 6: Final answer
    x = 20,182.41

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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.